PT-2023-12451 · Unknown · Onlyoffice

Iain Wallace · Published 2023-01-23 · Updated 2025-04-02 · CVE-2021-43447

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Name of the Vulnerable Software and Affected Versions ONLYOFFICE all versions as of 2021-11-08

Description The issue is related to Incorrect Access Control, specifically an authentication bypass in the document editor. This allows attackers to edit documents without proper authentication.

Recommendations For all versions as of 2021-11-08, at the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

Missing Authentication

Weakness Enumeration

CWE-306

Related Identifiers

CVE-2021-43447

Affected Products

Onlyoffice

References · 6

• 🔥 https://labs.nettitude.com/blog/exploiting-onlyoffice-web-sockets-for-unauthenticated-remote-code-execution · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-43447 · Security Note
• https://osv.dev/vulnerability/CVE-2021-43447 · Vendor Advisory
• https://onlyoffice.com · Vendor Advisory
• https://github.com/ONLYOFFICE/server · Note
• https://t.me/cvenotify/117385 · Telegram Post