{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:em-imap_project:em-imap:0.5:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "0.5"
              },
              {
                "last_affected": "0.5"
              }
            ],
            "source": "CPE_STRING"
          },
          "events": [
            {
              "introduced": "c46cda5c04b16abe17706121e1489304821d942f"
            },
            {
              "last_affected": "c46cda5c04b16abe17706121e1489304821d942f"
            }
          ],
          "repo": "https://github.com/conradirwin/em-imap",
          "type": "GIT"
        }
      ],
      "versions": [
        "0.5"
      ]
    }
  ],
  "database_specific": {},
  "details": "em-imap 0.5 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.",
  "id": "CVE-2020-13163",
  "modified": "2026-07-08T05:37:31.882713110Z",
  "published": "2020-05-19T22:15:12.090Z",
  "references": [
    {
      "type": "EVIDENCE",
      "url": "https://github.com/ConradIrwin/em-imap/issues/25"
    },
    {
      "type": "EVIDENCE",
      "url": "https://securitylab.github.com/advisories/GHSL-2020-095-conradirwin-em-imap"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}