CVE-2021-3199

ONLYOFFICE Docs Server Path Traversal Vulnerability
30.2%
EPSS
98%
Percentile
Yes
Known exploited
0
APAC news · 90d
Summary

ONLYOFFICE Docs contains a path traversal vulnerability that can occur when JWT is used, via a /.. sequence in an image upload parameter and could allow for remote code execution.

Vendor
ONLYOFFICE
Product
Docs
Added to KEV
Oct 8, 2026
Remediation due
Oct 11, 2026 (US federal deadline)
Ransomware use
Not known
Weakness
CWE-22
EPSS
30.2% as of Nov 12
In the news
  • No Asia-Pacific article names this CVE yet.
Linked
Actors named alongside it:
none
Incidents exploiting it:
  • none recorded