CVE-2021-25833

Published: Mar 1, 2021Updated: Nov 21, 2024 Sources: CVE List NVDCWE-22

9.8CRITICAL

NVD MITRE

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

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

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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.

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Official Patch Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques

Collection

Discovery

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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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Exploit details & PoC links

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