Critical severity9.8NVD Advisory· Published Jan 23, 2023· Updated Jun 17, 2026
CVE-2021-43445
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3- ONLYOFFICE/ONLYOFFICEdescription
- Range: <2021-11-08
- Range: <2021-11-08
Patches
Vulnerability mechanics
References
2- labs.nettitude.com/blog/exploiting-onlyoffice-web-sockets-for-unauthenticated-remote-code-execution/nvdMitigationThird Party Advisory
- www.onlyoffice.comnvdProductVendor Advisory
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