CVE-2021-43448
MEDIUMONLYOFFICE Server < 7.0.0.49 - User Spoofing via Document Interaction
Title source: llmDescription
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.
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
5.3
EPSS
0.0101
EPSS Percentile
58.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-20
Status
published
Products (1)
onlyoffice/server
< 7.0.0.49
Published
Jan 23, 2023
Tracked Since
Feb 18, 2026