Improper access control in Discourse - CVE-2024-45051
Published: October 7, 2024
Vulnerability identifier: #VU98057
CSH Severity: High
CVSS v4: 8.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-45051
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper email address validation within encoded email addresses. A remote attacker can use specially crafted email address bypass domain-based restrictions and gain access to private sites, categories and/or groups.
Affected software
Discourse
How to mitigate CVE-2024-45051
Install updates from vendor's website.
Discourse - addressed in versions 3.3.2 beta, 3.4.0 beta2