Security advisory

{
  "id": "5148fbf7dac7625c516d68a0b199df894c26f2bb1c9446008dba9e570f1b7e52",
  "url": "https://osv.dev/vulnerability/CVE-2024-45160",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2024-45160",
    "summary": "Incorrect credential validation in LemonLDAP::NG 2.18.x and 2.19.x before 2.19.2 allows attackers to bypass OAuth2 client authentication via an empty client_password parameter (client secret).",
    "evidence": "osv:CVE-2024-45160",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2024-45160",
      "aliases": [
        "CVE-2024-45160"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng",
              "type": "GIT",
              "events": [
                {
                  "introduced": "e9a13948f84b876f16470a4afdd505743ebc49b8"
                },
                {
                  "fixed": "5675db2b82be7a32e99ca2bdf34166269863bfd9"
                },
                {
                  "fixed": "06d771cbc2d5c752354c50f83e4912e5879f9aa2"
                },
                {
                  "fixed": "236cdfe42c1dc04a15a4a40c5e6a8c2e858d71d7"
                },
                {
                  "fixed": "696f49a0855faeb271096dccb8381e2129687c3d"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "2.19.x"
                      },
                      {
                        "fixed": "2.19.2"
                      }
                    ],
                    "source": "DESCRIPTION"
                  },
                  {
                    "range": [
                      {
                        "fixed": "06d771cbc2d5c752354c50f83e4912e5879f9aa2"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "236cdfe42c1dc04a15a4a40c5e6a8c2e858d71d7"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "696f49a0855faeb271096dccb8381e2129687c3d"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v2.19.1",
            "v2.19.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-45160.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:31.027371906Z",
      "provider": "osv",
      "references": [
        "https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/tags",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/45xxx/CVE-2024-45160.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-45160",
        "https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/3223",
        "https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/commit/06d771cbc2d5c752354c50f83e4912e5879f9aa2",
        "https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/commit/236cdfe42c1dc04a15a4a40c5e6a8c2e858d71d7",
        "https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/commit/696f49a0855faeb271096dccb8381e2129687c3d"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/45xxx/CVE-2024-45160.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-45160",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 498043,
  "published_at": "2024-10-09T00:00:00+00:00"
}