GHSA-RPJ2-W6FR-79HC

Vulnerability from github – Published: 2022-08-24 00:00 – Updated: 2025-06-30 21:46
VLAI?
Summary
Keycloak vulnerable to Improper Certificate Validation
Details

keycloak accepts an expired certificate by the direct-grant authenticator because of missing time stamp validations. The highest threat from this vulnerability is to data confidentiality and integrity.

This issue was partially fixed in version 13.0.1 and more completely fixed in version 14.0.0.

Severity ?
5.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Show details on source website
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.keycloak:keycloak-core"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "14.0.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2020-35509"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-20",
      "CWE-295"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2022-12-05T23:03:56Z",
    "nvd_published_at": "2022-08-23T16:15:00Z",
    "severity": "MODERATE"
  },
  "details": "keycloak accepts an expired certificate by the direct-grant authenticator because of missing time stamp validations. The highest threat from this vulnerability is to data confidentiality and integrity.\n\nThis issue was partially fixed in version [13.0.1](https://github.com/keycloak/keycloak/pull/6330) and more completely fixed in version [14.0.0](https://github.com/keycloak/keycloak/pull/8067).",
  "id": "GHSA-rpj2-w6fr-79hc",
  "modified": "2025-06-30T21:46:07Z",
  "published": "2022-08-24T00:00:29Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-35509"
    },
    {
      "type": "WEB",
      "url": "https://github.com/keycloak/keycloak/pull/6330"
    },
    {
      "type": "WEB",
      "url": "https://github.com/keycloak/keycloak/pull/8067"
    },
    {
      "type": "WEB",
      "url": "https://github.com/keycloak/keycloak/commit/478319348bdfdb9b6d39122f41edf2af79f679bb"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/cve-2020-35509"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1912427"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/keycloak/keycloak"
    },
    {
      "type": "WEB",
      "url": "https://github.com/keycloak/keycloak/blob/4f330f4a57cbfcf6202b60546518261c66e59a35/services/src/main/java/org/keycloak/authentication/authenticators/x509/ValidateX509CertificateUsername.java#L74-L76"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Keycloak vulnerable to Improper Certificate Validation"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

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.