FKIE_CVE-2020-2205

Vulnerability from fkie_nvd - Published: 2020-07-02 15:15 - Updated: 2026-06-17 03:11
Severity
4.8 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Summary
Jenkins VncRecorder Plugin 1.25 and earlier does not escape a tool path in the `checkVncServ` form validation endpoint, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by Jenkins administrators.
References
jenkinsci-cert@googlegroups.comhttp://www.openwall.com/lists/oss-security/2020/07/02/7Mailing List, Third Party Advisory
jenkinsci-cert@googlegroups.comhttps://jenkins.io/security/advisory/2020-07-02/#SECURITY-1728%20%281%29Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2020/07/02/7Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://jenkins.io/security/advisory/2020-07-02/#SECURITY-1728%20%281%29Vendor Advisory
Impacted products
Vendor Product Version
jenkins vncrecorder *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Jenkins VncRecorder Plugin",
          "vendor": "Jenkins project",
          "versions": [
            {
              "lessThanOrEqual": "1.25",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "jenkinsci-cert@googlegroups.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:jenkins:vncrecorder:*:*:*:*:*:jenkins:*:*",
              "matchCriteriaId": "4315D21A-8347-44BA-ABDE-AE5C6B06ACB4",
              "versionEndIncluding": "1.25",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Jenkins VncRecorder Plugin 1.25 and earlier does not escape a tool path in the `checkVncServ` form validation endpoint, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by Jenkins administrators."
    },
    {
      "lang": "es",
      "value": "Jenkins VncRecorder Plugin versiones 1.25 y anteriores, no escapa una ruta de herramienta en el endpoint de comprobaci\u00f3n de formulario \"checkVncServ\"`, resultando en una vulnerabilidad de tipo cross-site scripting (XSS) almacenado explotable por administradores de Jenkins"
    }
  ],
  "id": "CVE-2020-2205",
  "lastModified": "2026-06-17T03:11:59.337",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "NONE",
          "baseScore": 3.5,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 6.8,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "HIGH",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.7,
        "impactScore": 2.7,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2020-07-02T15:15:17.507",
  "references": [
    {
      "source": "jenkinsci-cert@googlegroups.com",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2020/07/02/7"
    },
    {
      "source": "jenkinsci-cert@googlegroups.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://jenkins.io/security/advisory/2020-07-02/#SECURITY-1728%20%281%29"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2020/07/02/7"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://jenkins.io/security/advisory/2020-07-02/#SECURITY-1728%20%281%29"
    }
  ],
  "sourceIdentifier": "jenkinsci-cert@googlegroups.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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.


Detection rules are retrieved from Rulezet.


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.