FKIE_CVE-2021-21690

Vulnerability from fkie_nvd - Published: 2021-11-04 17:15 - Updated: 2024-11-21 05:48
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
Agent processes are able to completely bypass file path filtering by wrapping the file operation in an agent file path in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier.
References
jenkinsci-cert@googlegroups.comhttps://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2455Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2455Vendor Advisory
Impacted products
Vendor Product Version
jenkins jenkins *
jenkins jenkins *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*",
              "matchCriteriaId": "0B0C915B-C3A9-4BB9-B122-749CF43BB7DE",
              "versionEndExcluding": "2.303.3",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*",
              "matchCriteriaId": "3D231DBA-462F-4BC5-8F04-23109A7EF1F8",
              "versionEndExcluding": "2.319",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Agent processes are able to completely bypass file path filtering by wrapping the file operation in an agent file path in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier."
    },
    {
      "lang": "es",
      "value": "Los procesos de los agentes son capaces de omitir completamente el filtrado de rutas de archivos al envolver la operaci\u00f3n de archivo en una ruta de archivo de agente en Jenkins versiones 2.318 y anteriores, LTS versiones 2.303.2 y anteriores"
    }
  ],
  "id": "CVE-2021-21690",
  "lastModified": "2024-11-21T05:48:50.480",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-11-04T17:15:08.553",
  "references": [
    {
      "source": "jenkinsci-cert@googlegroups.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2455"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2455"
    }
  ],
  "sourceIdentifier": "jenkinsci-cert@googlegroups.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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  • 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.
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  • 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.



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