Security advisory

{
  "id": "1d21ac9cbf4982d629e705fa869d01f6f40f2db835bd29e3209ec9c792580bd7",
  "url": "https://osv.dev/vulnerability/CVE-2018-11751",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-11751",
    "summary": "Previous versions of Puppet Agent didn't verify the peer in the SSL connection prior to downloading the CRL. This issue is resolved in Puppet Agent 6.4.0.",
    "evidence": "osv:CVE-2018-11751",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2018-11751",
      "aliases": [
        "CVE-2018-11751"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/puppetlabs/puppetserver",
              "type": "GIT",
              "events": [
                {
                  "introduced": "8634c0e76ad3c9dbc18c0b7f8af93be025b2910e"
                },
                {
                  "fixed": "513e521930c2bcfbc290a2b67122d03c93f13a86"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:puppet:puppet_server:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "6.0.0"
                      },
                      {
                        "fixed": "6.4.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-11751.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:40.343832107Z",
      "provider": "osv",
      "references": [
        "https://puppet.com/security/cve/CVE-2018-11751"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-11751",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 434900,
  "published_at": "2019-12-16T22:15:11.043+00:00"
}