gsd-2021-21639
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
Jenkins 2.286 and earlier, LTS 2.277.1 and earlier does not validate the type of object created after loading the data submitted to the `config.xml` REST API endpoint of a node, allowing attackers with Computer/Configure permission to replace a node with one of a different type.
Aliases
Aliases
CVE-2021-21639


To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-21639",
    "description": "Jenkins 2.286 and earlier, LTS 2.277.1 and earlier does not validate the type of object created after loading the data submitted to the `config.xml` REST API endpoint of a node, allowing attackers with Computer/Configure permission to replace a node with one of a different type.",
    "id": "GSD-2021-21639",
    "references": [
      "https://access.redhat.com/errata/RHSA-2021:2437",
      "https://access.redhat.com/errata/RHSA-2021:1551",
      "https://security.archlinux.org/CVE-2021-21639"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-21639"
      ],
      "details": "Jenkins 2.286 and earlier, LTS 2.277.1 and earlier does not validate the type of object created after loading the data submitted to the `config.xml` REST API endpoint of a node, allowing attackers with Computer/Configure permission to replace a node with one of a different type.",
      "id": "GSD-2021-21639",
      "modified": "2023-12-13T01:23:11.258645Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "jenkinsci-cert@googlegroups.com",
        "ID": "CVE-2021-21639",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Jenkins",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c=",
                          "version_name": "unspecified",
                          "version_value": "2.286"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Jenkins project"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "Jenkins 2.286 and earlier, LTS 2.277.1 and earlier does not validate the type of object created after loading the data submitted to the `config.xml` REST API endpoint of a node, allowing attackers with Computer/Configure permission to replace a node with one of a different type."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://www.jenkins.io/security/advisory/2021-04-07/#SECURITY-1721",
            "refsource": "MISC",
            "url": "https://www.jenkins.io/security/advisory/2021-04-07/#SECURITY-1721"
          },
          {
            "name": "http://www.openwall.com/lists/oss-security/2021/04/07/2",
            "refsource": "MISC",
            "url": "http://www.openwall.com/lists/oss-security/2021/04/07/2"
          }
        ]
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "[2.277.1,2.286]",
          "affected_versions": "All versions after 2.277.1 up to 2.286",
          "cvss_v2": "AV:N/AC:L/Au:S/C:N/I:P/A:N",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-20",
            "CWE-937"
          ],
          "date": "2021-04-13",
          "description": "Jenkins does not validate the type of object created after loading the data submitted to the `config.xml` REST API endpoint of a node, allowing attackers with Computer/Configure permission to replace a node with one of a different type.",
          "fixed_versions": [],
          "identifier": "CVE-2021-21639",
          "identifiers": [
            "CVE-2021-21639"
          ],
          "not_impacted": "",
          "package_slug": "maven/org.jenkins-ci.main/jenkins-core",
          "pubdate": "2021-04-07",
          "solution": "Unfortunately, there is no solution available yet.",
          "title": "Improper Input Validation",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2021-21639",
            "https://www.jenkins.io/security/advisory/2021-04-07/#SECURITY-1721"
          ],
          "uuid": "e19650dc-1ccb-4527-97d1-d4941b7c9721"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "2.277.1",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "2.286",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "jenkinsci-cert@googlegroups.com",
          "ID": "CVE-2021-21639"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "Jenkins 2.286 and earlier, LTS 2.277.1 and earlier does not validate the type of object created after loading the data submitted to the `config.xml` REST API endpoint of a node, allowing attackers with Computer/Configure permission to replace a node with one of a different type."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": []
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.jenkins.io/security/advisory/2021-04-07/#SECURITY-1721",
              "refsource": "CONFIRM",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://www.jenkins.io/security/advisory/2021-04-07/#SECURITY-1721"
            },
            {
              "name": "[oss-security] 20210407 Multiple vulnerabilities in Jenkins and Jenkins plugins",
              "refsource": "MLIST",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "http://www.openwall.com/lists/oss-security/2021/04/07/2"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "NONE",
            "baseScore": 4.0,
            "confidentialityImpact": "NONE",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 8.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 1.4
        }
      },
      "lastModifiedDate": "2023-10-25T18:16Z",
      "publishedDate": "2021-04-07T14:15Z"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.