Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Nextcloud | Nextcloud Server | >= 22.0.0, < 22.2.10.14 |
Related Weaknesses (CWE)
References
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-vv27-gVendor Advisory
- https://github.com/nextcloud/server/pull/38773PatchVendor Advisory
- https://hackerone.com/reports/1258448Third Party Advisory
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-vv27-gVendor Advisory
- https://github.com/nextcloud/server/pull/38773PatchVendor Advisory
- https://hackerone.com/reports/1258448Third Party Advisory
FAQ
What is CVE-2023-39958?
CVE-2023-39958 is a vulnerability with a CVSS score of 5.8 (MEDIUM). 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, miss...
How severe is CVE-2023-39958?
CVE-2023-39958 has been rated MEDIUM with a CVSS base score of 5.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-39958?
Check the references section above for vendor advisories and patch information. Affected products include: Nextcloud Nextcloud Server.