CVE-2021-43447

ONLYOFFICE all versions as of 2021-11-08 is affected by Incorrect Access Control. An authentication bypass in the document editor allows attackers to edit documents without authentication.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/ONLYOFFICE/server	Third Party Advisory
https://labs.nettitude.com/blog/exploiting-onlyoffice-web-sockets-for-unauthenticated-remote-code-execution/	Exploit Mitigation Third Party Advisory
https://www.onlyoffice.com/	Product Vendor Advisory
https://github.com/ONLYOFFICE/server	Third Party Advisory
https://labs.nettitude.com/blog/exploiting-onlyoffice-web-sockets-for-unauthenticated-remote-code-execution/	Exploit Mitigation Third Party Advisory
https://www.onlyoffice.com/	Product Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:onlyoffice:server:*:*:*:*:*:*:*:*

History

21 Nov 2024, 06:29

Type	Values Removed	Values Added
References	~~() https://github.com/ONLYOFFICE/server - Third Party Advisory~~	() https://github.com/ONLYOFFICE/server - Third Party Advisory
References	~~() https://labs.nettitude.com/blog/exploiting-onlyoffice-web-sockets-for-unauthenticated-remote-code-execution/ - Exploit, Mitigation, Third Party Advisory~~	() https://labs.nettitude.com/blog/exploiting-onlyoffice-web-sockets-for-unauthenticated-remote-code-execution/ - Exploit, Mitigation, Third Party Advisory
References	~~() https://www.onlyoffice.com/ - Product, Vendor Advisory~~	() https://www.onlyoffice.com/ - Product, Vendor Advisory
Summary		(es) Todas las versiones de ONLYOFFICE con fecha posterior al 08/11/2021 se ven afectadas por una vulnerabilidad de control de acceso incorrecto. Una omisión de autenticación en el editor de documentos permite a los atacantes editar documentos sin autenticación.

08 Aug 2023, 14:21

Type	Values Removed	Values Added
New CVE

Information

Published : 2023-01-23 15:15

Updated : 2025-04-02 16:15

NVD link : CVE-2021-43447

Mitre link : CVE-2021-43447

CVE.ORG link : CVE-2021-43447

JSON object : View

Products Affected

onlyoffice

server

CWE

CWE-306

Missing Authentication for Critical Function

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