{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "8.0.3"
              }
            ],
            "source": [
              "DESCRIPTION",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0eac4e88b4e508eb815190f8e47c7289bbd32acd"
            },
            {
              "fixed": "46505c53ef995455d66c685f9ec3ff6ea93dbb74"
            }
          ],
          "repo": "https://github.com/offlineimap/offlineimap3",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {},
  "details": "OfflineIMAP before 8.0.3 trusts the server with their STARTTLS capability prior to authentication, which allows STRIPTLS/man-in-the-middle attacks, taking over the connection and extracting account credentials in cleartext.",
  "id": "CVE-2020-37248",
  "modified": "2026-07-08T05:36:02.043135326Z",
  "published": "2026-06-08T16:16:33.257Z",
  "references": [
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2026/06/08/3"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/OfflineIMAP/offlineimap/issues/669"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/OfflineIMAP/offlineimap3/issues/222"
    },
    {
      "type": "FIX",
      "url": "https://github.com/OfflineIMAP/offlineimap3/commit/46505c53ef995455d66c685f9ec3ff6ea93dbb74"
    },
    {
      "type": "PACKAGE",
      "url": "https://pypi.org/project/offlineimap/#history"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}