CVE-2021-42374 (GCVE-0-2021-42374)

Vulnerability from cvelistv5 – Published: 2021-11-15 00:00 – Updated: 2025-11-03 20:34
VLAI
Summary
An out-of-bounds heap read in Busybox's unlzma applet leads to information leak and denial of service when crafted LZMA-compressed input is decompressed. This can be triggered by any applet/format that
Severity
5.3 (Medium)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-23 13:31 UTC
CWE
Assigner
JFROG CNA under the mitre root
CNA scorecard C 75/100 over 62 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
busybox busybox Affected: unspecified , < 1.34.0 (custom)
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2025-11-03T20:34:04.163Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog/"
          },
          {
            "name": "FEDORA-2021-5a95823596",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UQXGOGWBIYWOIVXJVRKHZR34UMEHQBXS/"
          },
          {
            "name": "FEDORA-2021-c52c0fe490",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6T2TURBYYJGBMQTTN2DSOAIQGP7WCPGV/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20211223-0002/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://claroty.com/team82/research/unboxing-busybox-14-vulnerabilities-uncovered-by-claroty-jfrog"
          },
          {
            "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00012.html"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "HIGH",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 5.3,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "LOW",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2021-42374",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-23T13:31:05.207395Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-05-05T16:46:16.227Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "busybox",
          "vendor": "busybox",
          "versions": [
            {
              "lessThan": "1.34.0",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An out-of-bounds heap read in Busybox\u0027s unlzma applet leads to information leak and denial of service when crafted LZMA-compressed input is decompressed. This can be triggered by any applet/format that"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-125",
              "description": "CWE-125",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-04-25T00:00:00.000Z",
        "orgId": "48a46f29-ae42-4e1d-90dd-c1676c1e5e6d",
        "shortName": "JFROG"
      },
      "references": [
        {
          "url": "https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog/"
        },
        {
          "name": "FEDORA-2021-5a95823596",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UQXGOGWBIYWOIVXJVRKHZR34UMEHQBXS/"
        },
        {
          "name": "FEDORA-2021-c52c0fe490",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6T2TURBYYJGBMQTTN2DSOAIQGP7WCPGV/"
        },
        {
          "url": "https://security.netapp.com/advisory/ntap-20211223-0002/"
        },
        {
          "url": "https://claroty.com/team82/research/unboxing-busybox-14-vulnerabilities-uncovered-by-claroty-jfrog"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "48a46f29-ae42-4e1d-90dd-c1676c1e5e6d",
    "assignerShortName": "JFROG",
    "cveId": "CVE-2021-42374",
    "datePublished": "2021-11-15T00:00:00.000Z",
    "dateReserved": "2021-10-14T00:00:00.000Z",
    "dateUpdated": "2025-11-03T20:34:04.163Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2021-42374",
      "date": "2026-10-18",
      "epss": "0.00623",
      "percentile": "0.488"
    },
    "fkie_nvd": {
      "configurations": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:busybox:busybox:*:*:*:*:*:*:*:*",
                  "matchCriteriaId": "DA94EB44-C98E-419B-9153-DA373002A3CA",
                  "versionEndIncluding": "1.33.1",
                  "versionStartIncluding": "1.27.0",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        },
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
                  "matchCriteriaId": "E460AA51-FCDA-46B9-AE97-E6676AA5E194",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*",
                  "matchCriteriaId": "A930E247-0B43-43CB-98FF-6CE7B8189835",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        },
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*",
                  "matchCriteriaId": "5C2089EE-5D7F-47EC-8EA5-0F69790564C4",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*",
                  "matchCriteriaId": "A3C19813-E823-456A-B1CE-EC0684CE1953",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*",
                  "matchCriteriaId": "A6E9EF0C-AFA8-4F7B-9FDC-1E0F7C26E737",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        },
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*",
                  "matchCriteriaId": "6770B6C3-732E-4E22-BF1C-2D2FD610061C",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            },
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*",
                  "matchCriteriaId": "9F9C8C20-42EB-4AB5-BD97-212DEB070C43",
                  "vulnerable": false
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ],
          "operator": "AND"
        },
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*",
                  "matchCriteriaId": "7FFF7106-ED78-49BA-9EC5-B889E3685D53",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            },
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*",
                  "matchCriteriaId": "E63D8B0F-006E-4801-BF9D-1C001BBFB4F9",
                  "vulnerable": false
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ],
          "operator": "AND"
        },
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*",
                  "matchCriteriaId": "56409CEC-5A1E-4450-AA42-641E459CC2AF",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            },
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*",
                  "matchCriteriaId": "B06F4839-D16A-4A61-9BB5-55B13F41E47F",
                  "vulnerable": false
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ],
          "operator": "AND"
        },
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*",
                  "matchCriteriaId": "108A2215-50FB-4074-94CF-C130FA14566D",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            },
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:*",
                  "matchCriteriaId": "7AFC73CE-ABB9-42D3-9A71-3F5BC5381E0E",
                  "vulnerable": false
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ],
          "operator": "AND"
        },
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*",
                  "matchCriteriaId": "32F0B6C0-F930-480D-962B-3F4EFDCC13C7",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            },
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:*",
                  "matchCriteriaId": "803BC414-B250-4E3A-A478-A3881340D6B8",
                  "vulnerable": false
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ],
          "operator": "AND"
        },
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*",
                  "matchCriteriaId": "0FEB3337-BFDE-462A-908B-176F92053CEC",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            },
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:*",
                  "matchCriteriaId": "736AEAE9-782B-4F71-9893-DED53367E102",
                  "vulnerable": false
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ],
          "operator": "AND"
        },
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*",
                  "matchCriteriaId": "D0B4AD8A-F172-4558-AEC6-FF424BA2D912",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            },
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*",
                  "matchCriteriaId": "8497A4C9-8474-4A62-8331-3FE862ED4098",
                  "vulnerable": false
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ],
          "operator": "AND"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An out-of-bounds heap read in Busybox\u0027s unlzma applet leads to information leak and denial of service when crafted LZMA-compressed input is decompressed. This can be triggered by any applet/format that"
        },
        {
          "lang": "es",
          "value": "Una lectura de pila fuera de l\u00edmites en el applet unlzma de Busybox conlleva a un filtrado de informaci\u00f3n y una denegaci\u00f3n de servicio cuando se descomprime una entrada comprimida LZMA manipulada. Esto puede ser desencadenado por cualquier applet/formato que"
        }
      ],
      "id": "CVE-2021-42374",
      "lastModified": "2024-11-21T06:27:41.273",
      "metrics": {
        "cvssMetricV2": [
          {
            "acInsufInfo": false,
            "baseSeverity": "LOW",
            "cvssData": {
              "accessComplexity": "MEDIUM",
              "accessVector": "LOCAL",
              "authentication": "NONE",
              "availabilityImpact": "PARTIAL",
              "baseScore": 3.3,
              "confidentialityImpact": "PARTIAL",
              "integrityImpact": "NONE",
              "vectorString": "AV:L/AC:M/Au:N/C:P/I:N/A:P",
              "version": "2.0"
            },
            "exploitabilityScore": 3.4,
            "impactScore": 4.9,
            "obtainAllPrivilege": false,
            "obtainOtherPrivilege": false,
            "obtainUserPrivilege": false,
            "source": "nvd@nist.gov",
            "type": "Primary",
            "userInteractionRequired": false
          }
        ],
        "cvssMetricV31": [
          {
            "cvssData": {
              "attackComplexity": "HIGH",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 5.3,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "LOW",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H",
              "version": "3.1"
            },
            "exploitabilityScore": 1.0,
            "impactScore": 4.2,
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      },
      "published": "2021-11-15T21:15:07.540",
      "references": [
        {
          "source": "reefs@jfrog.com",
          "url": "https://claroty.com/team82/research/unboxing-busybox-14-vulnerabilities-uncovered-by-claroty-jfrog"
        },
        {
          "source": "reefs@jfrog.com",
          "tags": [
            "Exploit",
            "Third Party Advisory"
          ],
          "url": "https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog/"
        },
        {
          "source": "reefs@jfrog.com",
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6T2TURBYYJGBMQTTN2DSOAIQGP7WCPGV/"
        },
        {
          "source": "reefs@jfrog.com",
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UQXGOGWBIYWOIVXJVRKHZR34UMEHQBXS/"
        },
        {
          "source": "reefs@jfrog.com",
          "tags": [
            "Third Party Advisory"
          ],
          "url": "https://security.netapp.com/advisory/ntap-20211223-0002/"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "https://claroty.com/team82/research/unboxing-busybox-14-vulnerabilities-uncovered-by-claroty-jfrog"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Exploit",
            "Third Party Advisory"
          ],
          "url": "https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog/"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6T2TURBYYJGBMQTTN2DSOAIQGP7WCPGV/"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UQXGOGWBIYWOIVXJVRKHZR34UMEHQBXS/"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Third Party Advisory"
          ],
          "url": "https://security.netapp.com/advisory/ntap-20211223-0002/"
        }
      ],
      "sourceIdentifier": "reefs@jfrog.com",
      "vulnStatus": "Modified",
      "weaknesses": [
        {
          "description": [
            {
              "lang": "en",
              "value": "CWE-125"
            }
          ],
          "source": "reefs@jfrog.com",
          "type": "Secondary"
        },
        {
          "description": [
            {
              "lang": "en",
              "value": "CWE-125"
            }
          ],
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ]
    },
    "microsoft_vex": {
      "current_release_date": "2021-12-16T00:00:00.000Z",
      "cve": "CVE-2021-42374",
      "id": "msrc_CVE-2021-42374",
      "initial_release_date": "2021-11-02T00:00:00.000Z",
      "product_status:fixed": "4",
      "product_status:known_affected": "4",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "An out-of-bounds heap read in Busybox\u0027s unlzma applet leads to information leak and denial of service when crafted LZMA-compressed input is decompressed. This can be triggered by any applet/format that",
      "url": "https://msrc.microsoft.com/csaf/vex/2021/msrc_cve-2021-42374.json",
      "version": "2"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "product": "busybox",
                "vendor": "busybox",
                "versions": [
                  {
                    "lessThan": "1.34.0",
                    "status": "affected",
                    "version": "unspecified",
                    "versionType": "custom"
                  }
                ]
              }
            ],
            "source": "reefs@jfrog.com"
          }
        ],
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:busybox:busybox:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "DA94EB44-C98E-419B-9153-DA373002A3CA",
                    "versionEndIncluding": "1.33.1",
                    "versionStartIncluding": "1.27.0",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
                    "matchCriteriaId": "E460AA51-FCDA-46B9-AE97-E6676AA5E194",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*",
                    "matchCriteriaId": "A930E247-0B43-43CB-98FF-6CE7B8189835",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "5C2089EE-5D7F-47EC-8EA5-0F69790564C4",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "A3C19813-E823-456A-B1CE-EC0684CE1953",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "A6E9EF0C-AFA8-4F7B-9FDC-1E0F7C26E737",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "6770B6C3-732E-4E22-BF1C-2D2FD610061C",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "9F9C8C20-42EB-4AB5-BD97-212DEB070C43",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "7FFF7106-ED78-49BA-9EC5-B889E3685D53",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "E63D8B0F-006E-4801-BF9D-1C001BBFB4F9",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "56409CEC-5A1E-4450-AA42-641E459CC2AF",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "B06F4839-D16A-4A61-9BB5-55B13F41E47F",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "108A2215-50FB-4074-94CF-C130FA14566D",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "7AFC73CE-ABB9-42D3-9A71-3F5BC5381E0E",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "32F0B6C0-F930-480D-962B-3F4EFDCC13C7",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "803BC414-B250-4E3A-A478-A3881340D6B8",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "0FEB3337-BFDE-462A-908B-176F92053CEC",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "736AEAE9-782B-4F71-9893-DED53367E102",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "D0B4AD8A-F172-4558-AEC6-FF424BA2D912",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "8497A4C9-8474-4A62-8331-3FE862ED4098",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "An out-of-bounds heap read in Busybox\u0027s unlzma applet leads to information leak and denial of service when crafted LZMA-compressed input is decompressed. This can be triggered by any applet/format that"
          },
          {
            "lang": "es",
            "value": "Una lectura de pila fuera de l\u00edmites en el applet unlzma de Busybox conlleva a un filtrado de informaci\u00f3n y una denegaci\u00f3n de servicio cuando se descomprime una entrada comprimida LZMA manipulada. Esto puede ser desencadenado por cualquier applet/formato que"
          }
        ],
        "id": "CVE-2021-42374",
        "lastModified": "2026-06-17T04:09:42.950",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "LOW",
              "cvssData": {
                "accessComplexity": "MEDIUM",
                "accessVector": "LOCAL",
                "authentication": "NONE",
                "availabilityImpact": "PARTIAL",
                "baseScore": 3.3,
                "confidentialityImpact": "PARTIAL",
                "integrityImpact": "NONE",
                "vectorString": "AV:L/AC:M/Au:N/C:P/I:N/A:P",
                "version": "2.0"
              },
              "exploitabilityScore": 3.4,
              "impactScore": 4.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ],
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "HIGH",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 5.3,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "LOW",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.0,
              "impactScore": 4.2,
              "source": "nvd@nist.gov",
              "type": "Primary"
            },
            {
              "cvssData": {
                "attackComplexity": "HIGH",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 5.3,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "LOW",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.0,
              "impactScore": 4.2,
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "type": "Secondary"
            }
          ],
          "ssvcV203": [
            {
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "ssvcData": {
                "id": "CVE-2021-42374",
                "options": [
                  {
                    "exploitation": "poc"
                  },
                  {
                    "automatable": "no"
                  },
                  {
                    "technicalImpact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-23T13:31:05.207395Z",
                "version": "2.0.3"
              }
            }
          ]
        },
        "published": "2021-11-15T21:15:07.540",
        "references": [
          {
            "source": "reefs@jfrog.com",
            "url": "https://claroty.com/team82/research/unboxing-busybox-14-vulnerabilities-uncovered-by-claroty-jfrog"
          },
          {
            "source": "reefs@jfrog.com",
            "tags": [
              "Exploit",
              "Third Party Advisory"
            ],
            "url": "https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog/"
          },
          {
            "source": "reefs@jfrog.com",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6T2TURBYYJGBMQTTN2DSOAIQGP7WCPGV/"
          },
          {
            "source": "reefs@jfrog.com",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UQXGOGWBIYWOIVXJVRKHZR34UMEHQBXS/"
          },
          {
            "source": "reefs@jfrog.com",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20211223-0002/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://claroty.com/team82/research/unboxing-busybox-14-vulnerabilities-uncovered-by-claroty-jfrog"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Exploit",
              "Third Party Advisory"
            ],
            "url": "https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00012.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6T2TURBYYJGBMQTTN2DSOAIQGP7WCPGV/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UQXGOGWBIYWOIVXJVRKHZR34UMEHQBXS/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20211223-0002/"
          }
        ],
        "sourceIdentifier": "reefs@jfrog.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-125"
              }
            ],
            "source": "reefs@jfrog.com",
            "type": "Secondary"
          },
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-125"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T11:47:50+00:00",
      "cve": "CVE-2021-42374",
      "id": "CVE-2021-42374",
      "initial_release_date": "2021-11-09T00:00:00+00:00",
      "product_status:known_not_affected": "3",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "busybox: out-of-bounds read in unlzma applet leads to information leak and denial of service when crafted LZMA-compressed input is decompressed",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-42374.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-31T02:00:55Z",
      "cve": "CVE-2021-42374",
      "id": "CVE-2021-42374",
      "initial_release_date": "2023-02-15T03:37:16Z",
      "product_status:known_affected": "4",
      "product_status:known_not_affected": "10",
      "product_status:recommended": "131",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2021-42374",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2021-42374.json",
      "version": "33"
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2025-11-03T20:34:04.163Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "x_transferred"
                ],
                "url": "https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog/"
              },
              {
                "name": "FEDORA-2021-5a95823596",
                "tags": [
                  "vendor-advisory",
                  "x_transferred"
                ],
                "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UQXGOGWBIYWOIVXJVRKHZR34UMEHQBXS/"
              },
              {
                "name": "FEDORA-2021-c52c0fe490",
                "tags": [
                  "vendor-advisory",
                  "x_transferred"
                ],
                "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6T2TURBYYJGBMQTTN2DSOAIQGP7WCPGV/"
              },
              {
                "tags": [
                  "x_transferred"
                ],
                "url": "https://security.netapp.com/advisory/ntap-20211223-0002/"
              },
              {
                "tags": [
                  "x_transferred"
                ],
                "url": "https://claroty.com/team82/research/unboxing-busybox-14-vulnerabilities-uncovered-by-claroty-jfrog"
              },
              {
                "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00012.html"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "cvssV3_1": {
                  "attackComplexity": "HIGH",
                  "attackVector": "LOCAL",
                  "availabilityImpact": "HIGH",
                  "baseScore": 5.3,
                  "baseSeverity": "MEDIUM",
                  "confidentialityImpact": "LOW",
                  "integrityImpact": "NONE",
                  "privilegesRequired": "LOW",
                  "scope": "UNCHANGED",
                  "userInteraction": "NONE",
                  "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H",
                  "version": "3.1"
                }
              },
              {
                "other": {
                  "content": {
                    "id": "CVE-2021-42374",
                    "options": [
                      {
                        "Exploitation": "poc"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2025-04-23T13:31:05.207395Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2025-05-05T13:17:22.840Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "product": "busybox",
              "vendor": "busybox",
              "versions": [
                {
                  "lessThan": "1.34.0",
                  "status": "affected",
                  "version": "unspecified",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "An out-of-bounds heap read in Busybox\u0027s unlzma applet leads to information leak and denial of service when crafted LZMA-compressed input is decompressed. This can be triggered by any applet/format that"
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-125",
                  "description": "CWE-125",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-04-25T00:00:00.000Z",
            "orgId": "48a46f29-ae42-4e1d-90dd-c1676c1e5e6d",
            "shortName": "JFROG"
          },
          "references": [
            {
              "url": "https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog/"
            },
            {
              "name": "FEDORA-2021-5a95823596",
              "tags": [
                "vendor-advisory"
              ],
              "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UQXGOGWBIYWOIVXJVRKHZR34UMEHQBXS/"
            },
            {
              "name": "FEDORA-2021-c52c0fe490",
              "tags": [
                "vendor-advisory"
              ],
              "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6T2TURBYYJGBMQTTN2DSOAIQGP7WCPGV/"
            },
            {
              "url": "https://security.netapp.com/advisory/ntap-20211223-0002/"
            },
            {
              "url": "https://claroty.com/team82/research/unboxing-busybox-14-vulnerabilities-uncovered-by-claroty-jfrog"
            }
          ]
        }
      },
      "cveMetadata": {
        "assignerOrgId": "48a46f29-ae42-4e1d-90dd-c1676c1e5e6d",
        "assignerShortName": "JFROG",
        "cveId": "CVE-2021-42374",
        "datePublished": "2021-11-15T00:00:00.000Z",
        "dateReserved": "2021-10-14T00:00:00.000Z",
        "dateUpdated": "2025-11-03T20:34:04.163Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

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.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON

Loading timeline…




    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.