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CVE-2023-41935

Status: ModifiedHigh (7.5)—

Jenkins Azure AD Plugin 396.v86ce29279947 and earlier, except 378.380.v545b_1154b_3fb_, uses a non-constant time comparison function when checking whether the provided and expected CSRF protection nonce are equal, potentially allowing attackers to use statistical methods to obtain a valid nonce.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Jenkins — Azure AD

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2023-41935",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-41935",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-09-26T19:55:05.096531Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "jenkinsci-cert@googlegroups.com",
      "affectedData": [
        {
          "vendor": "Jenkins Project",
          "product": "Jenkins Azure AD Plugin",
          "versions": [
            {
              "status": "unaffected",
              "version": "397.v907382dd9b_98",
              "lessThan": "*",
              "versionType": "maven"
            },
            {
              "status": "unaffected",
              "version": "378.380.v545b_1154b_3fb_",
              "lessThan": "378.*",
              "versionType": "maven"
            }
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2023-09-06T13:15:10.297",
  "references": [
    {
      "url": "http://www.openwall.com/lists/oss-security/2023/09/06/9",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "source": "jenkinsci-cert@googlegroups.com"
    },
    {
      "url": "https://www.jenkins.io/security/advisory/2023-09-06/#SECURITY-3227",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "jenkinsci-cert@googlegroups.com"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2023/09/06/9",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.jenkins.io/security/advisory/2023-09-06/#SECURITY-3227",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-697"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Jenkins Azure AD Plugin 396.v86ce29279947 and earlier, except 378.380.v545b_1154b_3fb_, uses a non-constant time comparison function when checking whether the provided and expected CSRF protection nonce are equal, potentially allowing attackers to use statistical methods to obtain a valid nonce."
    },
    {
      "lang": "es",
      "value": "El complemento Jenkins Azure AD 396.v86ce29279947 y versiones anteriores, excepto 378.380.v545b_1154b_3fb_, usa una función de comparación de tiempo no constante al comprobar si el nonce de protección CSRF proporcionado y esperado es igual, lo que podría permitir a los atacantes usar métodos estadísticos para obtener un nonce válido."
    }
  ],
  "lastModified": "2026-06-17T06:23:06.197",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:jenkins:azure_ad:*:*:*:*:*:jenkins:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1DB49479-D1D1-4DED-918B-E73292121907",
              "versionEndIncluding": "348.vefd011eea_20b"
            },
            {
              "criteria": "cpe:2.3:a:jenkins:azure_ad:*:*:*:*:*:jenkins:*:*",
              "vulnerable": true,
              "matchCriteriaId": "77E0A6BF-D2E6-4FE7-9BD5-E702FDBCB161",
              "versionEndIncluding": "396.v86ce29279947",
              "versionStartIncluding": "378.vd6e2874a_69eb"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "jenkinsci-cert@googlegroups.com"
}