Vulnerability 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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Onlyoffice | Server | <= 7.0.0.49 |
Related Weaknesses (CWE)
References
- https://github.com/ONLYOFFICE/serverThird Party Advisory
- https://labs.nettitude.com/blog/exploiting-onlyoffice-web-sockets-for-unauthentiMitigationThird Party Advisory
- https://www.onlyoffice.com/ProductVendor Advisory
- https://github.com/ONLYOFFICE/serverThird Party Advisory
- https://labs.nettitude.com/blog/exploiting-onlyoffice-web-sockets-for-unauthentiMitigationThird Party Advisory
- https://www.onlyoffice.com/ProductVendor Advisory
FAQ
What is CVE-2021-43445?
CVE-2021-43445 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 a...
How severe is CVE-2021-43445?
CVE-2021-43445 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2021-43445?
Check the references section above for vendor advisories and patch information. Affected products include: Onlyoffice Server.