Security advisory

{
  "id": "ac5cb31c814f38a262c110b185e9307d7092764bb249fcc75d93824da0cf3f4c",
  "url": "https://osv.dev/vulnerability/CVE-2020-13482",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-13482",
    "summary": "EM-HTTP-Request 1.1.5 uses the library eventmachine in an insecure way that allows an attacker to perform a man-in-the-middle attack against users of the library. The hostname in a TLS server certificate is not verified.",
    "evidence": "osv:CVE-2020-13482",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-13482",
      "aliases": [
        "CVE-2020-13482",
        "GHSA-q27f-v3r6-9v77"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/igrigorik/em-http-request",
              "type": "GIT",
              "events": [
                {
                  "introduced": "bcba7b6e80ef9c211c7d56c90ab91a232fa6e212"
                },
                {
                  "last_affected": "bcba7b6e80ef9c211c7d56c90ab91a232fa6e212"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:em-http-request_project:em-http-request:1.1.5:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.1.5"
                      },
                      {
                        "last_affected": "1.1.5"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.1.5",
            "v1.1.5"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-13482.json"
          }
        }
      ],
      "modified": "2026-10-20T10:51:47.561524444Z",
      "provider": "osv",
      "references": [
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MKYP5TR5NTVVDX5R4HCNNH2OQR7M4X3J/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z32PUJA6RGBZ3TKSOTGUXZ45662S3MVF/",
        "https://github.com/igrigorik/em-http-request/issues/339",
        "https://securitylab.github.com/advisories/GHSL-2020-094-igrigorik-em-http-request"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*",
              "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*"
            ],
            "vendor_product": "fedoraproject:fedora",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "32"
                  },
                  {
                    "last_affected": "32"
                  },
                  {
                    "introduced": "33"
                  },
                  {
                    "last_affected": "33"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-13482",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 382948,
  "published_at": "2020-05-25T22:15:09.86+00:00"
}