Reversible One-Way Hash in Nextcloud Server and Nextcloud Enterprise Server - CVE-2024-52521
Published: January 20, 2025
Vulnerability identifier: #VU103052
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-52521
CWE-ID: CWE-328
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Nextcloud
Affected software:
Nextcloud Server
Nextcloud Enterprise Server
Nextcloud Server
Nextcloud Enterprise Server
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to the MD5 hashes are used to check background jobs for their uniqueness. A remote user can cause potential hash collision for background jobs to skip queuing them.
How to mitigate CVE-2024-52521
Install updates from vendor's website.