Security advisory

{
  "id": "c57bec71bd3172d7cfe41da572bd0f2a9e55b10dc59fa4011f99c9a60af9f67e",
  "url": "https://osv.dev/vulnerability/CVE-2020-16093",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-16093",
    "summary": "In LemonLDAP::NG (aka lemonldap-ng) through 2.0.8, validity of the X.509 certificate is not checked by default when connecting to remote LDAP backends, because the default configuration of the Net::LDAPS module for Perl is used.",
    "evidence": "osv:CVE-2020-16093",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-16093",
      "aliases": [
        "CVE-2020-16093"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "062e236b9720205e4dd6d268c5a1b916fd177e85"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:lemonldap-ng:lemonldap\\:\\:ng:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "2.0.8"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v2.0.2",
            "ubuntu/disco",
            "debian/buster",
            "v2.0.8",
            "ubuntu/groovy",
            "v2.0.7",
            "ubuntu/focal",
            "v2.0.6",
            "v2.0.4",
            "v2.0.3",
            "v2.0.1",
            "v2.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-16093.json"
          }
        }
      ],
      "modified": "2026-10-20T10:51:57.891373938Z",
      "provider": "osv",
      "references": [
        "https://lemonldap-ng.org/download",
        "https://lists.debian.org/debian-lts-announce/2023/01/msg00027.html",
        "https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/2250"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "10.0"
                  },
                  {
                    "last_affected": "10.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-16093",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 383169,
  "published_at": "2022-07-18T00:15:08.193+00:00"
}