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CVE-2021-25833

Published: Mar 1, 2021Updated: Nov 21, 2024 Sources: CVE List NVDCWE-22
9.8CRITICAL
NVD MITRE
EPSS Score
43.5%
Top 1.4%
CISA KEV
Not in KEV
Exploits
4 Known
Remediation
Patch Available
Self-Check
Not available

Description

A file extension handling issue was found in [server] module of ONLYOFFICE DocumentServer v4.2.0.71-v5.6.0.21. The file extension is controlled by an attacker through the request data and leads to arbitrary file overwriting. Using this vulnerability, a remote attacker can obtain remote code execution on DocumentServer.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-22

Affected Products

onlyoffice
commercialaka onlyoffice document server
document serverMixed
Enterprise Software / collaboration-groupware
and 1 more affected products View all →

Exploitability

4 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Collection
Discovery
View detailed technique mapping

References

https://github.com/ONLYOFFICE/DocumentServer
github.com
https://github.com/ONLYOFFICE/server
github.com
https://github.com/ONLYOFFICE/server/blob/v5.6.0.21/DocService/sources/converterservice.js#L200
github.com
and 3 more references View all →

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