{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "7.0.0.49"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "b6515df687107d37badfec977ab200fbe768afe3"
            }
          ],
          "repo": "https://github.com/onlyoffice/server",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "ONLYOFFICE all versions as of 2021-11-08 is affected by Incorrect Access Control. An attacker can authenticate with the web socket service of the ONLYOFFICE document editor which is protected by JWT auth by using a default JWT signing key.",
  "id": "CVE-2021-43445",
  "modified": "2026-04-01T23:09:34.009245909Z",
  "published": "2023-01-23T15:15:13.280Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/ONLYOFFICE/server"
    },
    {
      "type": "ADVISORY",
      "url": "https://labs.nettitude.com/blog/exploiting-onlyoffice-web-sockets-for-unauthenticated-remote-code-execution/"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.onlyoffice.com/"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}