CVE-2023-39958

Description

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 22.0.0 and prior to versions 22.2.10.13, 23.0.12.8, 24.0.12.5, 25.0.9, 26.0.4, and 27.0.1, missing protection allows an attacker to brute force the client secrets of configured OAuth2 clients. Nextcloud Server versions 25.0.9, 26.0.4, and 27.0.1 and Nextcloud Enterprise Server versions 22.2.10.13, 23.0.12.8, 24.0.12.5, 25.0.9, 26.0.4, and 27.0.1 contain a patch for this issue. No known workarounds are available.

References

https://hackerone.com/reports/1258448

https://github.com/nextcloud/server/pull/38773

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-vv27-g2hq-v48h

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3