CVE-2021-33626 (GCVE-0-2021-33626)

Vulnerability from cvelistv5 – Published: 2021-10-01 02:21 – Updated: 2026-08-11 12:22
VLAI
Summary
A vulnerability exists in SMM (System Management Mode) branch that registers a SWSMI handler that does not sufficiently check or validate the allocated buffer pointer(QWORD values for CommBuffer). This can be used by an attacker to corrupt data in SMRAM memory and even lead to arbitrary code execution.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • n/a
Assigner
References
Impacted products
Vendor Product Version CPE status
Siemens RUGGEDCOM APE1808 - BIOS Affected: 0 , < V1.0.202N (custom)
guessed Create a notification for this product.
Siemens SIMATIC Field PG M5 Affected: 0 , < V22.01.10 (custom)
guessed Create a notification for this product.
Siemens SIMATIC Field PG M6 Affected: 0 , < V26.01.13 (custom)
guessed Create a notification for this product.
Siemens SIMATIC IPC127E Affected: 0 , < V27.01.09 (custom)
guessed Create a notification for this product.
Siemens SIMATIC IPC227G Affected: 0 , < V28.01.04 (custom)
guessed Create a notification for this product.
Siemens SIMATIC IPC277G Affected: 0 , < V28.01.04 (custom)
guessed Create a notification for this product.
Siemens SIMATIC IPC277G PRO Affected: 0 , < V28.01.04 (custom)
guessed Create a notification for this product.
Siemens SIMATIC IPC327G Affected: 0 , < V28.01.04 (custom)
guessed Create a notification for this product.
Siemens SIMATIC IPC377G Affected: 0 , < V28.01.04 (custom)
guessed Create a notification for this product.
Siemens SIMATIC IPC427E Affected: 0 , < V21.01.17 (custom)
guessed Create a notification for this product.
Siemens SIMATIC IPC477E Affected: 0 , < V21.01.17 (custom)
guessed Create a notification for this product.
Siemens SIMATIC IPC477E PRO Affected: 0 , < V21.01.17 (custom)
guessed Create a notification for this product.
Siemens SIMATIC IPC627E Affected: 0 , < V25.02.12 (custom)
guessed Create a notification for this product.
Siemens SIMATIC IPC647E Affected: 0 , < V25.02.12 (custom)
guessed Create a notification for this product.
Siemens SIMATIC IPC677E Affected: 0 , < V25.02.12 (custom)
guessed Create a notification for this product.
Siemens SIMATIC IPC847E Affected: 0 , < V25.02.12 (custom)
guessed Create a notification for this product.
Siemens SIMATIC ITP1000 Affected: 0 , < V23.01.10 (custom)
guessed Create a notification for this product.
Siemens SIPLUS IPC427E Affected: 0 , < V21.01.17 (custom)
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2025-11-04T19:12:30.965Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.insyde.com/security-pledge"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.insyde.com/security-pledge/SA-2021001"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20220216-0006/"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf"
          },
          {
            "url": "https://www.kb.cert.org/vuls/id/796611"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "affected": [
          {
            "defaultStatus": "unknown",
            "product": "RUGGEDCOM APE1808 - BIOS",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V1.0.202N",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SIMATIC Field PG M5",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V22.01.10",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SIMATIC Field PG M6",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V26.01.13",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SIMATIC IPC127E",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V27.01.09",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SIMATIC IPC227G",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V28.01.04",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SIMATIC IPC277G",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V28.01.04",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SIMATIC\u00a0IPC277G PRO",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V28.01.04",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SIMATIC IPC327G",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V28.01.04",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SIMATIC IPC377G",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V28.01.04",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SIMATIC IPC427E",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V21.01.17",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SIMATIC IPC477E",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V21.01.17",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SIMATIC IPC477E PRO",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V21.01.17",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SIMATIC IPC627E",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V25.02.12",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SIMATIC IPC647E",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V25.02.12",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SIMATIC IPC677E",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V25.02.12",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SIMATIC IPC847E",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V25.02.12",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SIMATIC ITP1000",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V23.01.10",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "SIPLUS IPC427E",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "V21.01.17",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-08-11T12:22:05.856Z",
          "orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
          "shortName": "siemens-SADP"
        },
        "references": [
          {
            "url": "https://cert-portal.siemens.com/productcert/html/ssa-306654.html"
          }
        ],
        "x_adpType": "supplier"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability exists in SMM (System Management Mode) branch that registers a SWSMI handler that does not sufficiently check or validate the allocated buffer pointer(QWORD values for CommBuffer). This can be used by an attacker to corrupt data in SMRAM memory and even lead to arbitrary code execution."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-02-22T19:07:00.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.insyde.com/security-pledge"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.insyde.com/security-pledge/SA-2021001"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://security.netapp.com/advisory/ntap-20220216-0006/"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf"
        }
      ],
      "source": {
        "discovery": "INTERNAL"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-33626",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A vulnerability exists in SMM (System Management Mode) branch that registers a SWSMI handler that does not sufficiently check or validate the allocated buffer pointer(QWORD values for CommBuffer). This can be used by an attacker to corrupt data in SMRAM memory and even lead to arbitrary code execution."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.insyde.com/security-pledge",
              "refsource": "MISC",
              "url": "https://www.insyde.com/security-pledge"
            },
            {
              "name": "https://www.insyde.com/security-pledge/SA-2021001",
              "refsource": "MISC",
              "url": "https://www.insyde.com/security-pledge/SA-2021001"
            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20220216-0006/",
              "refsource": "CONFIRM",
              "url": "https://security.netapp.com/advisory/ntap-20220216-0006/"
            },
            {
              "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf",
              "refsource": "CONFIRM",
              "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf"
            }
          ]
        },
        "source": {
          "discovery": "INTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-33626",
    "datePublished": "2021-10-01T02:21:29.000Z",
    "dateReserved": "2021-05-28T00:00:00.000Z",
    "dateUpdated": "2026-08-11T12:22:05.856Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2021-33626",
      "date": "2026-08-20",
      "epss": "0.00308",
      "percentile": "0.23563"
    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:insyde:insydeh2o:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"5.3\", \"versionEndExcluding\": \"5.34.44\", \"matchCriteriaId\": \"7A8D4515-2E1D-4C69-B561-6F42B54FFD74\"}]}]}, {\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:insyde:insydeh2o:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"5.2\", \"versionEndExcluding\": \"5.25.44\", \"matchCriteriaId\": \"38BBAD45-A06D-41D6-A1CC-5AD560E9DCB8\"}]}]}, {\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:insyde:insydeh2o:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"5.1\", \"versionEndExcluding\": \"5.16.25\", \"matchCriteriaId\": \"816E66FC-0597-4442-9257-69B97D27D815\"}]}]}, {\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:insyde:insydeh2o:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"5.4\", \"versionEndExcluding\": \"5.42.44\", \"matchCriteriaId\": \"A889306B-C22C-4F29-BDBC-08B86252A584\"}]}]}, {\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:insyde:insydeh2o:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"5.3\", \"versionEndExcluding\": \"5.35.25\", \"matchCriteriaId\": \"C47A7464-4682-474D-B094-CB6F2BD3B6B4\"}]}]}, {\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:insyde:insydeh2o:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"5.2\", \"versionEndExcluding\": \"5.26.25\", \"matchCriteriaId\": \"0AECE476-8649-4928-9702-9E9737E1A764\"}]}]}, {\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:insyde:insydeh2o:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"5.4\", \"versionEndExcluding\": \"5.43.25\", \"matchCriteriaId\": \"5C8173E6-4FED-481D-BF5E-3CABDF13CA61\"}]}]}, {\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:siemens:ruggedcom_apr1808_firmware:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"E08DFAD2-130C-4B75-B7EF-602C4B3324F0\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:siemens:ruggedcom_apr1808:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"BD56E8B2-232B-4E1C-BB3F-41B0C1E31D7B\"}]}]}, {\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:siemens:simatic_field_pg_m5_firmware:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"75AE72A3-05C6-4564-81CC-67865D03D106\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:siemens:simatic_field_pg_m5:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"506DEE00-30D2-4E29-9645-757EB8778C0F\"}]}]}, {\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:siemens:simatic_field_pg_m6_firmware:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"ECC5341D-9982-4F18-9C8D-2912DDB8EF9A\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:siemens:simatic_field_pg_m6:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"8F3C3E60-7C36-4F5D-B454-97C9D0FD9459\"}]}]}, {\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:siemens:simatic_ipc127e_firmware:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"846EE524-BC53-4DE5-81C5-6B5EB2DD8BEA\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:siemens:simatic_ipc127e:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"F63C0B17-60E2-4240-92FD-4B7C7D8F2C8B\"}]}]}, {\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:siemens:simatic_ipc227g_firmware:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"2ED11E5B-E60C-4359-B87C-E373DED77677\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:siemens:simatic_ipc227g:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"0D1E85AC-1305-4C5E-AD8B-39B2654F6057\"}]}]}, {\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:siemens:simatic_ipc277g_firmware:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"1865061F-CF02-410B-B01B-2088F7104867\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:siemens:simatic_ipc277g:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"320F5752-86B3-4C08-89D0-02272753A6D0\"}]}]}, {\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:siemens:simatic_ipc327g_firmware:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"68215EEF-243A-4B02-BEAB-C162A3564D60\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:siemens:simatic_ipc327g:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"EC7303D1-CC95-42C7-B843-C3B3B3336669\"}]}]}, {\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:siemens:simatic_ipc377g_firmware:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"62751FE8-48D7-4D7B-A7DD-4977DE539660\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:siemens:simatic_ipc377g:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"FDD6F034-BC50-4223-AE5D-319F04C866A8\"}]}]}, {\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:siemens:simatic_ipc427e_firmware:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"4EC3A82C-1380-4B21-BB17-3760A0B6A027\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:siemens:simatic_ipc427e:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"A40D0CDB-7BE6-491F-B730-3B4E10CA159A\"}]}]}, {\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:siemens:simatic_ipc477e_firmware:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"B2558478-44E0-4D42-A6DC-D4262D15A92A\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:siemens:simatic_ipc477e:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"FDF9D4C3-1892-48FA-95B4-835B636A4005\"}]}]}, {\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:siemens:simatic_ipc477e_pro_firmware:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"6AD30972-8CE2-46B4-A4B8-B209F6B616AC\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:siemens:simatic_ipc477e_pro:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"3FC5CE20-7D08-4496-A857-C3A4BD0AB1AC\"}]}]}, {\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:siemens:simatic_ipc627e_firmware:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"EFFA7953-DC4C-489A-B5A4-B832FAF3C143\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:siemens:simatic_ipc627e:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"9D9AF082-8345-4BE1-B1FC-6E0316BB833B\"}]}]}, {\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:siemens:simatic_ipc647e_firmware:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"0AC414E9-5DBD-4D60-B0EA-6FB48207B628\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:siemens:simatic_ipc647e:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"E430C4C5-D887-47C6-B50F-66EEE9519151\"}]}]}, {\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:siemens:simatic_ipc677e_firmware:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"193BF353-5D85-4F2E-94D0-329ED823FF07\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:siemens:simatic_ipc677e:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"5F9FA42D-B2F0-456F-89B7-6A5789787FBA\"}]}]}, {\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:siemens:simatic_ipc847e_firmware:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"D8CE311F-98F9-4E58-9E52-BAFAF87C0819\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:siemens:simatic_ipc847e:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"1157418C-14C4-43C4-B63E-7E98D868A94F\"}]}]}, {\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:siemens:simatic_itp1000_firmware:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"64538703-AE66-4D4A-B4A1-C88039B9543D\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:siemens:simatic_itp1000:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"187C6D51-5B86-484D-AE0F-26D1C9465580\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"A vulnerability exists in SMM (System Management Mode) branch that registers a SWSMI handler that does not sufficiently check or validate the allocated buffer pointer(QWORD values for CommBuffer). This can be used by an attacker to corrupt data in SMRAM memory and even lead to arbitrary code execution.\"}, {\"lang\": \"es\", \"value\": \"Existe una vulnerabilidad en la rama SMM (System Management Mode) que registra un manejador SWSMI que no comprueba o valida suficientemente el puntero del buffer asignado (valores QWORD para CommBuffer). Esto puede ser utilizado por un atacante para corromper los datos en la memoria SMRAM e incluso llevar a la ejecuci\\u00f3n de c\\u00f3digo arbitrario\"}]",
      "id": "CVE-2021-33626",
      "lastModified": "2024-11-21T06:09:13.410",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\", \"baseScore\": 7.8, \"baseSeverity\": \"HIGH\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.8, \"impactScore\": 5.9}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:L/AC:L/Au:N/C:P/I:P/A:P\", \"baseScore\": 4.6, \"accessVector\": \"LOCAL\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"PARTIAL\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 3.9, \"impactScore\": 6.4, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2021-10-01T03:15:06.593",
      "references": "[{\"url\": \"https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf\", \"source\": \"cve@mitre.org\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://security.netapp.com/advisory/ntap-20220216-0006/\", \"source\": \"cve@mitre.org\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://www.insyde.com/security-pledge\", \"source\": \"cve@mitre.org\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://www.insyde.com/security-pledge/SA-2021001\", \"source\": \"cve@mitre.org\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://security.netapp.com/advisory/ntap-20220216-0006/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://www.insyde.com/security-pledge\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://www.insyde.com/security-pledge/SA-2021001\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}]",
      "sourceIdentifier": "cve@mitre.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-829\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-33626\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2021-10-01T03:15:06.593\",\"lastModified\":\"2026-08-11T13:17:19.523\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A vulnerability exists in SMM (System Management Mode) branch that registers a SWSMI handler that does not sufficiently check or validate the allocated buffer pointer(QWORD values for CommBuffer). This can be used by an attacker to corrupt data in SMRAM memory and even lead to arbitrary code execution.\"},{\"lang\":\"es\",\"value\":\"Existe una vulnerabilidad en la rama SMM (System Management Mode) que registra un manejador SWSMI que no comprueba o valida suficientemente el puntero del buffer asignado (valores QWORD para CommBuffer). Esto puede ser utilizado por un atacante para corromper los datos en la memoria SMRAM e incluso llevar a la ejecuci\u00f3n de c\u00f3digo arbitrario\"}],\"affected\":[{\"source\":\"cve@mitre.org\",\"affectedData\":[{\"vendor\":\"n/a\",\"product\":\"n/a\",\"versions\":[{\"version\":\"n/a\",\"status\":\"affected\"}]}]},{\"source\":\"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e\",\"affectedData\":[{\"vendor\":\"Siemens\",\"product\":\"RUGGEDCOM APE1808 - BIOS\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"V1.0.202N\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"Siemens\",\"product\":\"SIMATIC Field PG M5\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"V22.01.10\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"Siemens\",\"product\":\"SIMATIC Field PG M6\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"V26.01.13\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"Siemens\",\"product\":\"SIMATIC IPC127E\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"V27.01.09\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"Siemens\",\"product\":\"SIMATIC IPC227G\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"V28.01.04\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"Siemens\",\"product\":\"SIMATIC IPC277G\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"V28.01.04\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"Siemens\",\"product\":\"SIMATIC\u00a0IPC277G PRO\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"V28.01.04\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"Siemens\",\"product\":\"SIMATIC IPC327G\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"V28.01.04\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"Siemens\",\"product\":\"SIMATIC IPC377G\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"V28.01.04\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"Siemens\",\"product\":\"SIMATIC IPC427E\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"V21.01.17\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"Siemens\",\"product\":\"SIMATIC IPC477E\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"V21.01.17\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"Siemens\",\"product\":\"SIMATIC IPC477E PRO\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"V21.01.17\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"Siemens\",\"product\":\"SIMATIC IPC627E\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"V25.02.12\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"Siemens\",\"product\":\"SIMATIC IPC647E\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"V25.02.12\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"Siemens\",\"product\":\"SIMATIC IPC677E\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"V25.02.12\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"Siemens\",\"product\":\"SIMATIC IPC847E\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"V25.02.12\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"Siemens\",\"product\":\"SIMATIC ITP1000\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"V23.01.10\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"Siemens\",\"product\":\"SIPLUS IPC427E\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"V21.01.17\",\"versionType\":\"custom\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:P/I:P/A:P\",\"baseScore\":4.6,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":3.9,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-829\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:insyde:insydeh2o:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.3\",\"versionEndExcluding\":\"5.34.44\",\"matchCriteriaId\":\"7A8D4515-2E1D-4C69-B561-6F42B54FFD74\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:insyde:insydeh2o:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.2\",\"versionEndExcluding\":\"5.25.44\",\"matchCriteriaId\":\"38BBAD45-A06D-41D6-A1CC-5AD560E9DCB8\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:insyde:insydeh2o:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.1\",\"versionEndExcluding\":\"5.16.25\",\"matchCriteriaId\":\"816E66FC-0597-4442-9257-69B97D27D815\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:insyde:insydeh2o:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.4\",\"versionEndExcluding\":\"5.42.44\",\"matchCriteriaId\":\"A889306B-C22C-4F29-BDBC-08B86252A584\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:insyde:insydeh2o:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.3\",\"versionEndExcluding\":\"5.35.25\",\"matchCriteriaId\":\"C47A7464-4682-474D-B094-CB6F2BD3B6B4\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:insyde:insydeh2o:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.2\",\"versionEndExcluding\":\"5.26.25\",\"matchCriteriaId\":\"0AECE476-8649-4928-9702-9E9737E1A764\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:insyde:insydeh2o:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.4\",\"versionEndExcluding\":\"5.43.25\",\"matchCriteriaId\":\"5C8173E6-4FED-481D-BF5E-3CABDF13CA61\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:siemens:ruggedcom_apr1808_firmware:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E08DFAD2-130C-4B75-B7EF-602C4B3324F0\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:siemens:ruggedcom_apr1808:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"BD56E8B2-232B-4E1C-BB3F-41B0C1E31D7B\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:siemens:simatic_field_pg_m5_firmware:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"75AE72A3-05C6-4564-81CC-67865D03D106\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:siemens:simatic_field_pg_m5:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"506DEE00-30D2-4E29-9645-757EB8778C0F\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:siemens:simatic_field_pg_m6_firmware:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"ECC5341D-9982-4F18-9C8D-2912DDB8EF9A\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:siemens:simatic_field_pg_m6:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"8F3C3E60-7C36-4F5D-B454-97C9D0FD9459\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:siemens:simatic_ipc127e_firmware:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"846EE524-BC53-4DE5-81C5-6B5EB2DD8BEA\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:siemens:simatic_ipc127e:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F63C0B17-60E2-4240-92FD-4B7C7D8F2C8B\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:siemens:simatic_ipc227g_firmware:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"2ED11E5B-E60C-4359-B87C-E373DED77677\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:siemens:simatic_ipc227g:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"0D1E85AC-1305-4C5E-AD8B-39B2654F6057\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:siemens:simatic_ipc277g_firmware:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"1865061F-CF02-410B-B01B-2088F7104867\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:siemens:simatic_ipc277g:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"320F5752-86B3-4C08-89D0-02272753A6D0\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:siemens:simatic_ipc327g_firmware:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"68215EEF-243A-4B02-BEAB-C162A3564D60\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:siemens:simatic_ipc327g:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"EC7303D1-CC95-42C7-B843-C3B3B3336669\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:siemens:simatic_ipc377g_firmware:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"62751FE8-48D7-4D7B-A7DD-4977DE539660\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:siemens:simatic_ipc377g:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FDD6F034-BC50-4223-AE5D-319F04C866A8\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:siemens:simatic_ipc427e_firmware:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4EC3A82C-1380-4B21-BB17-3760A0B6A027\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:siemens:simatic_ipc427e:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A40D0CDB-7BE6-491F-B730-3B4E10CA159A\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:siemens:simatic_ipc477e_firmware:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B2558478-44E0-4D42-A6DC-D4262D15A92A\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:siemens:simatic_ipc477e:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FDF9D4C3-1892-48FA-95B4-835B636A4005\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:siemens:simatic_ipc477e_pro_firmware:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"6AD30972-8CE2-46B4-A4B8-B209F6B616AC\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:siemens:simatic_ipc477e_pro:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"3FC5CE20-7D08-4496-A857-C3A4BD0AB1AC\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:siemens:simatic_ipc627e_firmware:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"EFFA7953-DC4C-489A-B5A4-B832FAF3C143\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:siemens:simatic_ipc627e:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9D9AF082-8345-4BE1-B1FC-6E0316BB833B\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:siemens:simatic_ipc647e_firmware:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"0AC414E9-5DBD-4D60-B0EA-6FB48207B628\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:siemens:simatic_ipc647e:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E430C4C5-D887-47C6-B50F-66EEE9519151\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:siemens:simatic_ipc677e_firmware:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"193BF353-5D85-4F2E-94D0-329ED823FF07\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:siemens:simatic_ipc677e:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5F9FA42D-B2F0-456F-89B7-6A5789787FBA\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:siemens:simatic_ipc847e_firmware:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D8CE311F-98F9-4E58-9E52-BAFAF87C0819\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:siemens:simatic_ipc847e:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"1157418C-14C4-43C4-B63E-7E98D868A94F\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:siemens:simatic_itp1000_firmware:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"64538703-AE66-4D4A-B4A1-C88039B9543D\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:siemens:simatic_itp1000:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"187C6D51-5B86-484D-AE0F-26D1C9465580\"}]}]}],\"references\":[{\"url\":\"https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://security.netapp.com/advisory/ntap-20220216-0006/\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.insyde.com/security-pledge\",\"source\":\"cve@mitre.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.insyde.com/security-pledge/SA-2021001\",\"source\":\"cve@mitre.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://security.netapp.com/advisory/ntap-20220216-0006/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.insyde.com/security-pledge\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.insyde.com/security-pledge/SA-2021001\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.kb.cert.org/vuls/id/796611\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://cert-portal.siemens.com/productcert/html/ssa-306654.html\",\"source\":\"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e\"}]}}"
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.