#VU28003 Improper access control in Zulip Server

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Main Vulnerability Database Vulnerabilities #VU28003

#VU28003 Improper access control in Zulip Server

Published: May 19, 2020


Vulnerability identifier: #VU28003
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: N/A
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Zulip Server
Software vendor:
Zulip

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions within the "invite_by_admins_only" permission. A remote authenticated attacker can bypass implemented security restrictions and gain unauthorized access to the application.


Remediation

Install updates from vendor's website.

External links