VULNERABILITY INTELLIGENCE

CVE-2021-43445

CVSS score9.8 CRITICAL

EPSS probability1.71%

CISA KEVNot currently listed

Published2023-01-23

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

nvd@nist.gov: CWE-287
134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-287

Primary references

cve@mitre.org — Third Party Advisory
cve@mitre.org — Mitigation, Third Party Advisory
cve@mitre.org — Product, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Mitigation, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Product, Vendor Advisory