Vendor

ONLYOFFICE

1 of 2 ONLYOFFICE CVEs in Patchfirst (50%) are in of vulnerabilities exploited in the wild.

CVEs: 2
In CISA KEV: 150%
Known ransomware use: 0
Median days to KEV: 2,081; from publication
Latest KEV listing: 8 Oct 2026

Watch ONLYOFFICE Subscribe (RSS) JSON Feed All feeds

Products

In KEVOther CVEs

ProductKEVCVEs
Docs In KEV: 1 CVEs: 1
Docs (DocumentServer) In KEV: 0 CVEs: 1

Top ATT&CK techniques

What attackers do with ONLYOFFICE CVEs

TechniqueCVEs
T1190Exploit Public-Facing Application CVEs: 1
T1059Command and Scripting Interpreter CVEs: 1

Open in ATT&CK Navigator

A layer for MITRE’s ATT&CK Navigator: techniques scored by the highest Patchfirst priority among their CVEs, neutral to red, with the CVE ids in each comment. “Open in Navigator” loads https://patchfirst.co/navigator/vendor/onlyoffice.json. Or download it and in Navigator choose Open Existing Layer → Upload from local.

Counts are ONLYOFFICE CVEs linked to the technique. Each link’s provenance is on the CVE page.

ONLYOFFICE CVEs

2 CVEs, by priority

CVE-2021-3199ONLYOFFICE Docs Server Path Traversal Vulnerability
ONLYOFFICE · DocsKEVPublic exploitCritical · 9.8T1190Exploit Public-Facing Application T1059Command and Scripting Interpreter
30.2%Top 1.8%
79.5priority
CVE-2025-5301Reflected Cross-Site Scripting in ONLYOFFICE Docs (DocumentServer)
OnlyOffice · Docs (DocumentServer)Public exploitMedium · 6.1
62.4%Top 0.82%
29.1priority