{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "fixed": "4.10.10"
              },
              {
                "introduced": "5.9.0"
              },
              {
                "fixed": "5.9.2"
              },
              {
                "introduced": "5.10.0"
              },
              {
                "fixed": "5.10.2"
              },
              {
                "introduced": "5.11.0"
              },
              {
                "fixed": "5.11.1"
              },
              {
                "introduced": "0"
              },
              {
                "last_affected": "5.12.0-rc1"
              },
              {
                "introduced": "0"
              },
              {
                "last_affected": "5.12.0-rc2"
              },
              {
                "introduced": "0"
              },
              {
                "last_affected": "5.12.0-rc3"
              },
              {
                "introduced": "0"
              },
              {
                "last_affected": "5.12.0-rc4"
              },
              {
                "introduced": "0"
              },
              {
                "last_affected": "5.12.0-rc5"
              },
              {
                "introduced": "0"
              },
              {
                "last_affected": "5.12.0-rc6"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "c7d82e1b29cc8ed70b9f625accecb2ac6d441e3c"
            },
            {
              "introduced": "5ef499caae2bb751438b19151a9fcb4b27830bca"
            },
            {
              "fixed": "9a9c8aff3c08089c6ae3ece282941608105732ef"
            },
            {
              "introduced": "dc70ab42034da17eaf23be5a86abae81b3f1cd21"
            },
            {
              "fixed": "ef41fcf4a0c3d74085bccef32e3918c1b272c695"
            },
            {
              "introduced": "692d1be91eafb64328ce21bcd18671288eb5139b"
            },
            {
              "fixed": "22c17d58df3e1cfb022c245c6b251283b5594543"
            },
            {
              "introduced": "0"
            },
            {
              "last_affected": "6b643983174dd755c922706e47f1ee8d27f3469c"
            },
            {
              "introduced": "0"
            },
            {
              "last_affected": "bd745e97c6f4052f467838d71d0b09f38dc27530"
            },
            {
              "introduced": "0"
            },
            {
              "last_affected": "1a0871a5aacb8c427e6d742e8dcee77bf841d801"
            },
            {
              "introduced": "0"
            },
            {
              "last_affected": "8f83d2e2530bca1b117b9f1d0388acd642e4bc46"
            },
            {
              "introduced": "0"
            },
            {
              "last_affected": "9db3411dd8fc7c2816863d1902c4160f3505ee1b"
            },
            {
              "introduced": "0"
            },
            {
              "last_affected": "bfd66aa445a2df8c6ed6ba9f2567021ecf6c9f3b"
            }
          ],
          "repo": "https://github.com/mattermost/mattermost-server",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "An issue was discovered in Mattermost Server before 5.12.0, 5.11.1, 5.10.2, 5.9.2, and 4.10.10. The login page allows CSRF.",
  "id": "CVE-2019-20865",
  "modified": "2026-03-13T21:58:39.502043780Z",
  "published": "2020-06-19T16:15:10.203Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://mattermost.com/security-updates/"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}