{"id":"CVE-2021-43447","aliases":["EUVD-2021-30380","GHSA-v44r-r7pp-7r2w"],"status":"published","title":"ONLYOFFICE all versions as of 2021-11-08 is affected by Incorrect Access Control. An...","description":"ONLYOFFICE all versions as of 2021-11-08 is affected by Incorrect Access Control. An authentication bypass in the document editor allows attackers to edit documents without authentication.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01278,"percentile":0.70211,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287","CWE-306"],"published":"2023-01-23T00:00:00Z","modified":"2026-11-09T02:45:32Z","products":[{"vendor":"onlyoffice","product":"server"}],"references":[{"url":"https://github.com/ONLYOFFICE/server","tags":["x_transferred","Third Party Advisory","advisory"]},{"url":"https://www.onlyoffice.com/","tags":["x_transferred","Product","Vendor Advisory","advisory"]},{"url":"https://labs.nettitude.com/blog/exploiting-onlyoffice-web-sockets-for-unauthenticated-remote-code-execution/","tags":["x_transferred","Exploit","Mitigation","Third Party Advisory","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-43447"},{"url":"https://labs.nettitude.com/blog/exploiting-onlyoffice-web-sockets-for-unauthenticated-remote-code-execution"},{"url":"https://www.onlyoffice.com"},{"url":"https://github.com/advisories/GHSA-v44r-r7pp-7r2w"}],"sources":{"cve":[{"id":"CVE-2021-43447","description":"ONLYOFFICE all versions as of 2021-11-08 is affected by Incorrect Access Control. An authentication bypass in the document editor allows attackers to edit documents without authentication.","status":"published","published":"2023-01-23T00:00:00Z","modified":"2025-04-02T16:02:06.611Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"adp"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:32:56.689433Z"}],"euvd":[{"id":"EUVD-2021-30380","description":"ONLYOFFICE all versions as of 2021-11-08 is affected by Incorrect Access Control. An authentication bypass in the document editor allows attackers to edit documents without authentication.","status":"published","published":"2023-01-23T00:00:00Z","modified":"2025-04-02T16:02:06Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T20:52:44.372321Z"}],"ghsa":[{"id":"GHSA-v44r-r7pp-7r2w","title":"ONLYOFFICE all versions as of 2021-11-08 is affected by Incorrect Access Control. An...","description":"ONLYOFFICE all versions as of 2021-11-08 is affected by Incorrect Access Control. An authentication bypass in the document editor allows attackers to edit documents without authentication.","status":"published","published":"2023-01-23T15:30:33Z","modified":"2025-04-02T18:31:45Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-287","CWE-306"],"updated_at":"2026-11-02T15:00:36.145205Z"}],"nvd":[{"id":"CVE-2021-43447","description":"ONLYOFFICE all versions as of 2021-11-08 is affected by Incorrect Access Control. An authentication bypass in the document editor allows attackers to edit documents without authentication.","status":"published","published":"2023-01-23T15:15:13.397Z","modified":"2026-06-17T04:10:58.913Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:07:07.323379Z"}],"osv":[{"id":"CVE-2021-43447","description":"ONLYOFFICE all versions as of 2021-11-08 is affected by Incorrect Access Control. An authentication bypass in the document editor allows attackers to edit documents without authentication.","status":"published","published":"2023-01-23T15:15:13.397Z","modified":"2026-11-09T02:45:32.710357437Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-09T03:16:44.651171Z"}]}}