CVE-2023-43496 (GCVE-0-2023-43496)

Vulnerability from cvelistv5 – Published: 2023-09-20 16:06 – Updated: 2025-05-02 15:32
VLAI
Summary
Jenkins 2.423 and earlier, LTS 2.414.1 and earlier creates a temporary file in the system temporary directory with the default permissions for newly created files when installing a plugin from a URL, potentially allowing attackers with access to the system temporary directory to replace the file before it is installed in Jenkins, potentially resulting in arbitrary code execution.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-23 13:26 UTC
CWE
  • CWE-276 - Incorrect Default Permissions
Impacted products
Vendor Product Version CPE status
Jenkins Project Jenkins Unaffected: 2.424 , < * (maven)
Unaffected: 2.414.2 , < 2.414.* (maven)
guessed Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T19:44:42.819Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "Jenkins Security Advisory 2023-09-20",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://www.jenkins.io/security/advisory/2023-09-20/#SECURITY-3072"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2023/09/20/5"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 8.8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2023-43496",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-23T13:26:57.944162Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-276",
                "description": "CWE-276 Incorrect Default Permissions",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-05-02T15:32:45.011Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "affected",
          "product": "Jenkins",
          "vendor": "Jenkins Project",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "2.424",
              "versionType": "maven"
            },
            {
              "lessThan": "2.414.*",
              "status": "unaffected",
              "version": "2.414.2",
              "versionType": "maven"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Jenkins 2.423 and earlier, LTS 2.414.1 and earlier creates a temporary file in the system temporary directory with the default permissions for newly created files when installing a plugin from a URL, potentially allowing attackers with access to the system temporary directory to replace the file before it is installed in Jenkins, potentially resulting in arbitrary code execution."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-10-24T12:52:02.385Z",
        "orgId": "39769cd5-e6e2-4dc8-927e-97b3aa056f5b",
        "shortName": "jenkins"
      },
      "references": [
        {
          "name": "Jenkins Security Advisory 2023-09-20",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.jenkins.io/security/advisory/2023-09-20/#SECURITY-3072"
        },
        {
          "url": "http://www.openwall.com/lists/oss-security/2023/09/20/5"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "39769cd5-e6e2-4dc8-927e-97b3aa056f5b",
    "assignerShortName": "jenkins",
    "cveId": "CVE-2023-43496",
    "datePublished": "2023-09-20T16:06:10.098Z",
    "dateReserved": "2023-09-19T09:22:58.130Z",
    "dateUpdated": "2025-05-02T15:32:45.011Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2023-43496",
      "date": "2026-09-24",
      "epss": "0.01042",
      "percentile": "0.62524"
    },
    "fkie_nvd": {
      "configurations": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*",
                  "matchCriteriaId": "C2F4A98B-D78F-4DCD-BC55-30B060433845",
                  "versionEndExcluding": "2.414.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*",
                  "matchCriteriaId": "D532EC73-64F8-46D5-8240-863B264D13D6",
                  "versionEndExcluding": "2.424",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Jenkins 2.423 and earlier, LTS 2.414.1 and earlier creates a temporary file in the system temporary directory with the default permissions for newly created files when installing a plugin from a URL, potentially allowing attackers with access to the system temporary directory to replace the file before it is installed in Jenkins, potentially resulting in arbitrary code execution."
        },
        {
          "lang": "es",
          "value": "Jenkins 2.423 y anteriores, LTS 2.414.1 y anteriores crean un archivo temporal en el directorio temporal del sistema con los permisos predeterminados para archivos reci\u00e9n creados al instalar un complemento desde una URL, lo que potencialmente permite a los atacantes con acceso al directorio temporal del sistema reemplazar el archivo antes de instalarlo en Jenkins, lo que podr\u00eda provocar la ejecuci\u00f3n de c\u00f3digo arbitrario."
        }
      ],
      "id": "CVE-2023-43496",
      "lastModified": "2024-11-21T08:24:09.497",
      "metrics": {
        "cvssMetricV31": [
          {
            "cvssData": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 8.8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            },
            "exploitabilityScore": 2.8,
            "impactScore": 5.9,
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      },
      "published": "2023-09-20T17:15:11.820",
      "references": [
        {
          "source": "jenkinsci-cert@googlegroups.com",
          "tags": [
            "Mailing List",
            "Third Party Advisory"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2023/09/20/5"
        },
        {
          "source": "jenkinsci-cert@googlegroups.com",
          "tags": [
            "Vendor Advisory"
          ],
          "url": "https://www.jenkins.io/security/advisory/2023-09-20/#SECURITY-3072"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Mailing List",
            "Third Party Advisory"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2023/09/20/5"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Vendor Advisory"
          ],
          "url": "https://www.jenkins.io/security/advisory/2023-09-20/#SECURITY-3072"
        }
      ],
      "sourceIdentifier": "jenkinsci-cert@googlegroups.com",
      "vulnStatus": "Modified",
      "weaknesses": [
        {
          "description": [
            {
              "lang": "en",
              "value": "CWE-276"
            }
          ],
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ]
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "defaultStatus": "affected",
                "product": "Jenkins",
                "vendor": "Jenkins Project",
                "versions": [
                  {
                    "lessThan": "*",
                    "status": "unaffected",
                    "version": "2.424",
                    "versionType": "maven"
                  },
                  {
                    "lessThan": "2.414.*",
                    "status": "unaffected",
                    "version": "2.414.2",
                    "versionType": "maven"
                  }
                ]
              }
            ],
            "source": "jenkinsci-cert@googlegroups.com"
          }
        ],
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*",
                    "matchCriteriaId": "C2F4A98B-D78F-4DCD-BC55-30B060433845",
                    "versionEndExcluding": "2.414.2",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*",
                    "matchCriteriaId": "D532EC73-64F8-46D5-8240-863B264D13D6",
                    "versionEndExcluding": "2.424",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "Jenkins 2.423 and earlier, LTS 2.414.1 and earlier creates a temporary file in the system temporary directory with the default permissions for newly created files when installing a plugin from a URL, potentially allowing attackers with access to the system temporary directory to replace the file before it is installed in Jenkins, potentially resulting in arbitrary code execution."
          },
          {
            "lang": "es",
            "value": "Jenkins 2.423 y anteriores, LTS 2.414.1 y anteriores crean un archivo temporal en el directorio temporal del sistema con los permisos predeterminados para archivos reci\u00e9n creados al instalar un complemento desde una URL, lo que potencialmente permite a los atacantes con acceso al directorio temporal del sistema reemplazar el archivo antes de instalarlo en Jenkins, lo que podr\u00eda provocar la ejecuci\u00f3n de c\u00f3digo arbitrario."
          }
        ],
        "id": "CVE-2023-43496",
        "lastModified": "2026-06-17T06:25:36.133",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 8.8,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 2.8,
              "impactScore": 5.9,
              "source": "nvd@nist.gov",
              "type": "Primary"
            },
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 8.8,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 2.8,
              "impactScore": 5.9,
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "type": "Secondary"
            }
          ],
          "ssvcV203": [
            {
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "ssvcData": {
                "id": "CVE-2023-43496",
                "options": [
                  {
                    "exploitation": "none"
                  },
                  {
                    "automatable": "no"
                  },
                  {
                    "technicalImpact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-23T13:26:57.944162Z",
                "version": "2.0.3"
              }
            }
          ]
        },
        "published": "2023-09-20T17:15:11.820",
        "references": [
          {
            "source": "jenkinsci-cert@googlegroups.com",
            "tags": [
              "Mailing List",
              "Third Party Advisory"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2023/09/20/5"
          },
          {
            "source": "jenkinsci-cert@googlegroups.com",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://www.jenkins.io/security/advisory/2023-09-20/#SECURITY-3072"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Mailing List",
              "Third Party Advisory"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2023/09/20/5"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://www.jenkins.io/security/advisory/2023-09-20/#SECURITY-3072"
          }
        ],
        "sourceIdentifier": "jenkinsci-cert@googlegroups.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-276"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          },
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-276"
              }
            ],
            "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
            "type": "Secondary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Important",
      "current_release_date": "2025-11-21T11:49:45+00:00",
      "cve": "CVE-2023-43496",
      "id": "CVE-2023-43496",
      "initial_release_date": "2023-09-20T00:00:00+00:00",
      "product_status:known_affected": "5",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "jenkins: Temporary plugin file created with insecure permissions",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-43496.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-02T19:44:42.819Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "name": "Jenkins Security Advisory 2023-09-20",
                "tags": [
                  "vendor-advisory",
                  "x_transferred"
                ],
                "url": "https://www.jenkins.io/security/advisory/2023-09-20/#SECURITY-3072"
              },
              {
                "tags": [
                  "x_transferred"
                ],
                "url": "http://www.openwall.com/lists/oss-security/2023/09/20/5"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "cvssV3_1": {
                  "attackComplexity": "LOW",
                  "attackVector": "NETWORK",
                  "availabilityImpact": "HIGH",
                  "baseScore": 8.8,
                  "baseSeverity": "HIGH",
                  "confidentialityImpact": "HIGH",
                  "integrityImpact": "HIGH",
                  "privilegesRequired": "LOW",
                  "scope": "UNCHANGED",
                  "userInteraction": "NONE",
                  "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "version": "3.1"
                }
              },
              {
                "other": {
                  "content": {
                    "id": "CVE-2023-43496",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2025-04-23T13:26:57.944162Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "problemTypes": [
              {
                "descriptions": [
                  {
                    "cweId": "CWE-276",
                    "description": "CWE-276 Incorrect Default Permissions",
                    "lang": "en",
                    "type": "CWE"
                  }
                ]
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2025-05-02T15:31:54.914Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "affected",
              "product": "Jenkins",
              "vendor": "Jenkins Project",
              "versions": [
                {
                  "lessThan": "*",
                  "status": "unaffected",
                  "version": "2.424",
                  "versionType": "maven"
                },
                {
                  "lessThan": "2.414.*",
                  "status": "unaffected",
                  "version": "2.414.2",
                  "versionType": "maven"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "Jenkins 2.423 and earlier, LTS 2.414.1 and earlier creates a temporary file in the system temporary directory with the default permissions for newly created files when installing a plugin from a URL, potentially allowing attackers with access to the system temporary directory to replace the file before it is installed in Jenkins, potentially resulting in arbitrary code execution."
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-10-24T12:52:02.385Z",
            "orgId": "39769cd5-e6e2-4dc8-927e-97b3aa056f5b",
            "shortName": "jenkins"
          },
          "references": [
            {
              "name": "Jenkins Security Advisory 2023-09-20",
              "tags": [
                "vendor-advisory"
              ],
              "url": "https://www.jenkins.io/security/advisory/2023-09-20/#SECURITY-3072"
            },
            {
              "url": "http://www.openwall.com/lists/oss-security/2023/09/20/5"
            }
          ]
        }
      },
      "cveMetadata": {
        "assignerOrgId": "39769cd5-e6e2-4dc8-927e-97b3aa056f5b",
        "assignerShortName": "jenkins",
        "cveId": "CVE-2023-43496",
        "datePublished": "2023-09-20T16:06:10.098Z",
        "dateReserved": "2023-09-19T09:22:58.130Z",
        "dateUpdated": "2025-05-02T15:32:45.011Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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…

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…