Unprotected storage of credentials in Nextcloud Enterprise Server and Nextcloud Server - CVE-2023-35928
Published: June 23, 2023
Vulnerability identifier: #VU77661
CSH Severity: Low
CVSS v4: 7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-35928
CWE-ID: CWE-256
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to gain access to other users' credentials.
The vulnerability exists due to user scoped external storage can be used to gather credentials of other users. A remote administrator can get access to the login credentials of another user and take over their account.
Affected software
Nextcloud Enterprise Server
Nextcloud Server
Nextcloud Server
How to mitigate CVE-2023-35928
Install updates from vendor's website.
Nextcloud Enterprise Server - addressed in versions 19.0.13.9, 20.0.14.14, 21.0.9.12, 22.2.10.12, 23.0.12.7, 24.0.12.2, 25.0.7, 26.0.2
Nextcloud Server - addressed in versions 25.0.7, 26.0.2
Nextcloud Server - addressed in versions 25.0.7, 26.0.2