Vulnerability Description
ONLYOFFICE all versions as of 2021-11-08 is vulnerable to Improper Input Validation. A lack of input validation can allow an attacker to spoof the names of users who interact with a document, if the document id is known.
CVSS Score
MEDIUM
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-unauthentiExploitMitigationThird 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-unauthentiExploitMitigationThird Party Advisory
- https://www.onlyoffice.com/ProductVendor Advisory
FAQ
What is CVE-2021-43448?
CVE-2021-43448 is a vulnerability with a CVSS score of 5.3 (MEDIUM). ONLYOFFICE all versions as of 2021-11-08 is vulnerable to Improper Input Validation. A lack of input validation can allow an attacker to spoof the names of users who interact with a document, if the d...
How severe is CVE-2021-43448?
CVE-2021-43448 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-43448?
Check the references section above for vendor advisories and patch information. Affected products include: Onlyoffice Server.