FKIE_CVE-2021-35473

Vulnerability from fkie_nvd - Published: 2024-11-10 23:15 - Updated: 2024-11-19 20:35
Severity ?
9.1 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Summary
An issue was discovered in LemonLDAP::NG before 2.0.12. There is a missing expiration check in the OAuth2.0 handler, i.e., it does not verify access token validity. An attacker can use a expired access token from an OIDC client to access the OAuth2 handler The earliest affected version is 2.0.4.
References
cve@mitre.orghttps://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/2549
cve@mitre.orghttps://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/tags
Impacted products
Vendor Product Version
To clipboard 

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in LemonLDAP::NG before 2.0.12. There is a missing expiration check in the OAuth2.0 handler, i.e., it does not verify access token validity. An attacker can use a expired access token from an OIDC client to access the OAuth2 handler The earliest affected version is 2.0.4."
    },
    {
      "lang": "es",
      "value": "Se descubri\u00f3 un problema en LemonLDAP::NG antes de la versi\u00f3n 2.0.12. Falta una comprobaci\u00f3n de caducidad en el controlador OAuth2.0, es decir, no verifica la validez del token de acceso. Un atacante puede usar un token de acceso caducado de un cliente OIDC para acceder al controlador OAuth2. La primera versi\u00f3n afectada es la 2.0.4."
    }
  ],
  "id": "CVE-2021-35473",
  "lastModified": "2024-11-19T20:35:13.347",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 9.1,
          "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:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.2,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2024-11-10T23:15:04.383",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/2549"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/tags"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-613"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.