FKIE_CVE-2024-21637

Vulnerability from fkie_nvd - Published: 2024-01-11 06:15 - Updated: 2026-06-17 07:09
Severity
7.6 (High) - CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Summary
Authentik is an open-source Identity Provider. Authentik is a vulnerable to a reflected Cross-Site Scripting vulnerability via JavaScript-URIs in OpenID Connect flows with `response_mode=form_post`. This relatively user could use the described attacks to perform a privilege escalation. This vulnerability has been patched in versions 2023.10.6 and 2023.8.6.
References
security-advisories@github.comhttps://github.com/goauthentik/authentik/releases/tag/version%2F2023.10.6Patch
security-advisories@github.comhttps://github.com/goauthentik/authentik/releases/tag/version%2F2023.8.6Patch
security-advisories@github.comhttps://github.com/goauthentik/authentik/security/advisories/GHSA-rjpr-7w8c-gv3jMitigation, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/goauthentik/authentik/releases/tag/version%2F2023.10.6Patch
af854a3a-2127-422b-91ae-364da2661108https://github.com/goauthentik/authentik/releases/tag/version%2F2023.8.6Patch
af854a3a-2127-422b-91ae-364da2661108https://github.com/goauthentik/authentik/security/advisories/GHSA-rjpr-7w8c-gv3jMitigation, Third Party Advisory
Impacted products
Vendor Product Version
goauthentik authentik *
goauthentik authentik *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "authentik",
          "vendor": "goauthentik",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c= 2023.10.5"
            },
            {
              "status": "affected",
              "version": "\u003c= 2023.8.5"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:goauthentik:authentik:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "C8E5FE79-9C41-42C8-89BA-F977B5571297",
              "versionEndExcluding": "2023.8.6",
              "versionStartIncluding": "2023.8.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:goauthentik:authentik:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "7322058A-9785-441A-949B-79DB9354CB73",
              "versionEndExcluding": "2023.10.6",
              "versionStartIncluding": "2023.10.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Authentik is an open-source Identity Provider. Authentik is a vulnerable to a reflected Cross-Site Scripting vulnerability via JavaScript-URIs in OpenID Connect flows with `response_mode=form_post`. This relatively user could use the described attacks to perform a privilege escalation. This vulnerability has been patched in versions 2023.10.6 and 2023.8.6."
    },
    {
      "lang": "es",
      "value": "Authentik es un proveedor de identidades de c\u00f3digo abierto. Authentik es afectado por una vulnerabilidad de cross site scripting reflejada a trav\u00e9s de URI de JavaScript en flujos de OpenID Connect con `response_mode=form_post`. Este relativamente usuario podr\u00eda utilizar los ataques descritos para realizar una escalada de privilegios. Esta vulnerabilidad ha sido parcheada en las versiones 2023.10.6 y 2023.8.6."
    }
  ],
  "id": "CVE-2024-21637",
  "lastModified": "2026-06-17T07:09:53.917",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.6,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.0,
        "impactScore": 6.0,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.3,
        "impactScore": 2.7,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-21637",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-01-11T15:41:43.872045Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-01-11T06:15:43.787",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/goauthentik/authentik/releases/tag/version%2F2023.10.6"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/goauthentik/authentik/releases/tag/version%2F2023.8.6"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Mitigation",
        "Third Party Advisory"
      ],
      "url": "https://github.com/goauthentik/authentik/security/advisories/GHSA-rjpr-7w8c-gv3j"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/goauthentik/authentik/releases/tag/version%2F2023.10.6"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/goauthentik/authentik/releases/tag/version%2F2023.8.6"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mitigation",
        "Third Party Advisory"
      ],
      "url": "https://github.com/goauthentik/authentik/security/advisories/GHSA-rjpr-7w8c-gv3j"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}



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