CVE-2021-43449
HIGHONLYOFFICE Server - Server-Side Request Forgery via Document Editor URL Fetch
Title source: manualDescription
ONLYOFFICE all versions as of 2021-11-08 is vulnerable to Server-Side Request Forgery (SSRF). The document editor service can be abused to read and serve arbitrary URLs as a document.
References (3)
Core 3
Core References
Third Party Advisory
https://github.com/ONLYOFFICE/server
Exploit, Mitigation, Third Party Advisory
https://labs.nettitude.com/blog/exploiting-onlyoffice-web-sockets-for-unauthenticated-remote-code-execution/
Product, Vendor Advisory
https://www.onlyoffice.com/
Scores
CVSS v3
8.1
EPSS
0.0125
EPSS Percentile
65.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
total
Details
CWE
CWE-918
Status
published
Products (1)
onlyoffice/server
< 7.0.0.49
Published
Jan 23, 2023
Tracked Since
Feb 18, 2026