PT-2023-12449 · Unknown · Onlyoffice

Iain Wallace · Published 2023-01-23 · Updated 2025-04-02 · CVE-2021-43445

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

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, allowing an attacker to authenticate with the web socket service of the ONLYOFFICE document editor. This service is protected by JWT auth, but an attacker can use a default JWT signing key to gain access.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

CVE-2021-43445

Affected Products

Onlyoffice

References · 8

• https://osv.dev/vulnerability/CVE-2021-43445 · Vendor Advisory
• https://onlyoffice.com · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-43445 · Security Note
• https://github.com/ONLYOFFICE/server · Note
• https://t.me/cvenotify/117383 · Telegram Post
• https://t.me/cibsecurity/56837 · Telegram Post
• https://labs.nettitude.com/blog/exploiting-onlyoffice-web-sockets-for-unauthenticated-remote-code-execution · Note
• https://t.me/cvenotify/43178 · Telegram Post