{"id":"CVE-2021-43445","aliases":["EUVD-2021-30378","GHSA-7wj3-gw7r-qr35"],"status":"published","title":"ONLYOFFICE all versions as of 2021-11-08 is affected by Incorrect Access Control. An attacker can...","description":"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.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.0174,"percentile":0.78032,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2023-01-23T00:00:00Z","modified":"2026-11-09T02:45:30Z","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","Mitigation","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-43445"},{"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-7wj3-gw7r-qr35"}],"sources":{"cve":[{"id":"CVE-2021-43445","description":"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.","status":"published","published":"2023-01-23T00:00:00Z","modified":"2025-04-02T16:04:58.533Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:32:56.689433Z"}],"euvd":[{"id":"EUVD-2021-30378","description":"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.","status":"published","published":"2023-01-23T00:00:00Z","modified":"2025-04-02T16:04:58Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T20:52:44.372321Z"}],"ghsa":[{"id":"GHSA-7wj3-gw7r-qr35","title":"ONLYOFFICE all versions as of 2021-11-08 is affected by Incorrect Access Control. An attacker can...","description":"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.","status":"published","published":"2023-01-23T15:30:33Z","modified":"2025-04-02T18:31:44Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T15:00:36.145205Z"}],"nvd":[{"id":"CVE-2021-43445","description":"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.","status":"published","published":"2023-01-23T15:15:13.28Z","modified":"2026-06-17T04:10:58.577Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:07:07.323379Z"}],"osv":[{"id":"CVE-2021-43445","description":"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.","status":"published","published":"2023-01-23T15:15:13.28Z","modified":"2026-11-09T02:45:30.018314057Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-09T03:16:44.651171Z"}]}}