Authorization bypass through user-controlled key in Nextcloud Mail - CVE-2023-25160
Published: February 22, 2023
Vulnerability identifier: #VU72491
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N]
CVE-ID: CVE-2023-25160
CWE-ID: CWE-639
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an authorization bypass through user-controlled key. A remote user can access the mail box by ID getting the subjects and the first characters of the emails.
Affected software
Nextcloud Mail
How to mitigate CVE-2023-25160
Install updates from vendor's website.
Nextcloud Mail - addressed in versions 1.11.8, 1.12.9, 1.14.5, 2.2.1