Security advisory

{
  "id": "79aca5800e3d5d9d993cb5c8a65af6244b8d2e22331f9b261d3e6483a576c066",
  "url": "https://osv.dev/vulnerability/CVE-2020-26168",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-26168",
    "summary": "The LDAP authentication method in LdapLoginModule in Hazelcast IMDG Enterprise 4.x before 4.0.3, and Jet Enterprise 4.x through 4.2, doesn't verify properly the password in some system-user-dn scenarios. As a result, users (clients/members) can be authenticated even if they provide invalid passwords.",
    "evidence": "osv:CVE-2020-26168",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2020-26168",
      "aliases": [
        "CVE-2020-26168"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/hazelcast/hazelcast",
              "type": "GIT",
              "events": [
                {
                  "introduced": "8b959f580ab91d42c071eac142feb04c5acea72f"
                },
                {
                  "fixed": "8b9f09b66347a008d0a58bb62010e95305586c7e"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:hazelcast:hazelcast:*:*:*:*:enterprise:*:*:*",
                    "range": [
                      {
                        "introduced": "4.0"
                      },
                      {
                        "fixed": "4.0.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-26168.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:33.599337967Z",
      "provider": "osv",
      "references": [
        "https://docs.hazelcast.org/docs/ern/index.html#4-0-3",
        "https://hazelcast.zendesk.com/hc/en-us/articles/360050161951--IMDG-Enterprise-4-0-4-0-1-4-0-2-LDAP-Authentication-Bypass",
        "https://hazelcast.zendesk.com/hc/en-us/articles/360051384932--JET-Enterprise-4-0-4-1-4-1-1-4-2-LDAP-Authentication-Bypass",
        "https://jet-start.sh/blog/2020/10/23/jet-43-is-released"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:hazelcast:jet:*:*:*:*:enterprise:*:*:*"
            ],
            "vendor_product": "hazelcast:jet",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "4.0"
                  },
                  {
                    "last_affected": "4.2"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-26168",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 433323,
  "published_at": "2020-11-09T22:15:13.257+00:00"
}