GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2021-33841 (GCVE-0-2021-33841)

Vulnerability from cvelistv5 – Published: 2021-06-09 11:50 – Updated: 2024-09-16 17:59
VLAI
Title
Circutor SGE-PLC1000 OS command Injection
Summary
SGE-PLC1000 device, in its 0.9.2b firmware version, does not handle some requests correctly, allowing a remote attacker to inject code into the operating system with maximum privileges.
CWE
  • CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
References
Impacted products
Vendor Product Version CPE status
Circutor SGE-PLC1000 Affected: 0.9.2b
guessed Create a notification for this product.
Date Public
2021-06-07 22:00
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T23:58:23.191Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://www.incibe.es/en/incibe-cert/notices/aviso-sci/circutor-sge-plc1000-os-command-injection"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "SGE-PLC1000",
          "vendor": "Circutor",
          "versions": [
            {
              "status": "affected",
              "version": "0.9.2b"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "user": "00000000-0000-4000-9000-000000000000",
          "value": "Industrial Cybersecurity team of S21sec, special mention to Aar\u00f3n Flecha Men\u00e9ndez."
        }
      ],
      "datePublic": "2021-06-07T22:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "SGE-PLC1000 device, in its 0.9.2b firmware version, does not handle some requests correctly, allowing a remote attacker to inject code into the operating system with maximum privileges."
            }
          ],
          "value": "SGE-PLC1000 device, in its 0.9.2b firmware version, does not handle some requests correctly, allowing a remote attacker to inject code into the operating system with maximum privileges."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 10,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-78",
              "description": "CWE-78: Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-11-22T12:26:06.361Z",
        "orgId": "0cbda920-cd7f-484a-8e76-bf7f4b7f4516",
        "shortName": "INCIBE"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://www.incibe.es/en/incibe-cert/notices/aviso-sci/circutor-sge-plc1000-os-command-injection"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "This issue can be solved through a firmware upgrade that has already been released by the vendor."
            }
          ],
          "value": "This issue can be solved through a firmware upgrade that has already been released by the vendor."
        }
      ],
      "source": {
        "advisory": "INCIBE-2021-0227",
        "discovery": "EXTERNAL"
      },
      "title": "Circutor SGE-PLC1000 OS command Injection",
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve-coordination@incibe.es",
          "DATE_PUBLIC": "2021-06-08T08:00:00.000Z",
          "ID": "CVE-2021-33841",
          "STATE": "PUBLIC",
          "TITLE": "Circutor SGE-PLC1000 OS command Injection"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "SGE-PLC1000",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "=",
                            "version_name": "0.9.2b",
                            "version_value": "0.9.2b"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Circutor"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "Industrial Cybersecurity team of S21sec, special mention to Aar\u00f3n Flecha Men\u00e9ndez."
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "SGE-PLC1000 device, in its 0.9.2b firmware version, does not handle some requests correctly, allowing a remote attacker to inject code into the operating system with maximum privileges."
            }
          ]
        },
        "generator": {
          "engine": "Vulnogram 0.0.9"
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.6,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-78: Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027)"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.incibe-cert.es/en/early-warning/ics-advisories/circutor-sge-plc1000-os-command-injection",
              "refsource": "CONFIRM",
              "url": "https://www.incibe-cert.es/en/early-warning/ics-advisories/circutor-sge-plc1000-os-command-injection"
            }
          ]
        },
        "solution": [
          {
            "lang": "en",
            "value": "This issue can be solved through a firmware upgrade that has already been released by the vendor."
          }
        ],
        "source": {
          "advisory": "INCIBE-2021-0227",
          "discovery": "EXTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "0cbda920-cd7f-484a-8e76-bf7f4b7f4516",
    "assignerShortName": "INCIBE",
    "cveId": "CVE-2021-33841",
    "datePublished": "2021-06-09T11:50:24.638Z",
    "dateReserved": "2021-06-04T00:00:00.000Z",
    "dateUpdated": "2024-09-16T17:59:08.672Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2021-33841",
      "date": "2026-09-16",
      "epss": "0.02247",
      "percentile": "0.82018"
    },
    "fkie_nvd": {
      "configurations": "[{\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:circutor:sge-plc1000_firmware:0.9.2b:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"5D6B02E0-DE36-45F5-AD3D-908E30548661\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:circutor:sge-plc1000:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"FFF41215-1018-42DD-9A7E-BBC2E5B4522D\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"SGE-PLC1000 device, in its 0.9.2b firmware version, does not handle some requests correctly, allowing a remote attacker to inject code into the operating system with maximum privileges.\"}, {\"lang\": \"es\", \"value\": \"Un dispositivo SGE-PLC1000, en su versi\\u00f3n de firmware 0.9.2b, no maneja algunas petici\\u00f3nes correctamente, permitiendo a un atacante remoto inyectar c\\u00f3digo en el sistema operativo con m\\u00e1ximos privilegios\"}]",
      "id": "CVE-2021-33841",
      "lastModified": "2024-11-21T06:09:40.470",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"cve-coordination@incibe.es\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H\", \"baseScore\": 10.0, \"baseSeverity\": \"CRITICAL\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"CHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 6.0}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\", \"baseScore\": 9.8, \"baseSeverity\": \"CRITICAL\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 5.9}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:L/Au:N/C:C/I:C/A:C\", \"baseScore\": 10.0, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"COMPLETE\", \"integrityImpact\": \"COMPLETE\", \"availabilityImpact\": \"COMPLETE\"}, \"baseSeverity\": \"HIGH\", \"exploitabilityScore\": 10.0, \"impactScore\": 10.0, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2021-06-09T12:15:07.893",
      "references": "[{\"url\": \"https://www.incibe.es/en/incibe-cert/notices/aviso-sci/circutor-sge-plc1000-os-command-injection\", \"source\": \"cve-coordination@incibe.es\"}, {\"url\": \"https://www.incibe.es/en/incibe-cert/notices/aviso-sci/circutor-sge-plc1000-os-command-injection\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}]",
      "sourceIdentifier": "cve-coordination@incibe.es",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"cve-coordination@incibe.es\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-78\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-78\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-33841\",\"sourceIdentifier\":\"cve-coordination@incibe.es\",\"published\":\"2021-06-09T12:15:07.893\",\"lastModified\":\"2024-11-21T06:09:40.470\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"SGE-PLC1000 device, in its 0.9.2b firmware version, does not handle some requests correctly, allowing a remote attacker to inject code into the operating system with maximum privileges.\"},{\"lang\":\"es\",\"value\":\"Un dispositivo SGE-PLC1000, en su versi\u00f3n de firmware 0.9.2b, no maneja algunas petici\u00f3nes correctamente, permitiendo a un atacante remoto inyectar c\u00f3digo en el sistema operativo con m\u00e1ximos privilegios\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"cve-coordination@incibe.es\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H\",\"baseScore\":10.0,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":6.0},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:C/I:C/A:C\",\"baseScore\":10.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"COMPLETE\",\"integrityImpact\":\"COMPLETE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":10.0,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"cve-coordination@incibe.es\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-78\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-78\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:circutor:sge-plc1000_firmware:0.9.2b:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5D6B02E0-DE36-45F5-AD3D-908E30548661\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:circutor:sge-plc1000:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FFF41215-1018-42DD-9A7E-BBC2E5B4522D\"}]}]}],\"references\":[{\"url\":\"https://www.incibe.es/en/incibe-cert/notices/aviso-sci/circutor-sge-plc1000-os-command-injection\",\"source\":\"cve-coordination@incibe.es\"},{\"url\":\"https://www.incibe.es/en/incibe-cert/notices/aviso-sci/circutor-sge-plc1000-os-command-injection\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
    "redhat_vex": {
      "current_release_date": "2026-03-27T13:57:45+00:00",
      "cve": "CVE-2021-33841",
      "id": "CVE-2021-33841",
      "initial_release_date": "2021-06-07T22:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Circutor SGE-PLC1000 OS command Injection",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-33841.json",
      "version": "3"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


Loading…