Vulnerability Details CVE-2023-39958
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 56.8%
CVSS Severity
CVSS v3 Score 5.8
References
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-vv27-g2hq-v48h
- https://github.com/nextcloud/server/pull/38773
- https://hackerone.com/reports/1258448
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-vv27-g2hq-v48h
- https://github.com/nextcloud/server/pull/38773
- https://hackerone.com/reports/1258448
Products affected by CVE-2023-39958
-
cpe:2.3:a:nextcloud:nextcloud_server:22.0.0
-
cpe:2.3:a:nextcloud:nextcloud_server:22.2.10.10
-
cpe:2.3:a:nextcloud:nextcloud_server:22.2.10.11
-
cpe:2.3:a:nextcloud:nextcloud_server:22.2.10.12
-
cpe:2.3:a:nextcloud:nextcloud_server:22.2.10.13
-
cpe:2.3:a:nextcloud:nextcloud_server:23.0.0
-
cpe:2.3:a:nextcloud:nextcloud_server:23.0.12.5
-
cpe:2.3:a:nextcloud:nextcloud_server:23.0.12.6
-
cpe:2.3:a:nextcloud:nextcloud_server:23.0.12.7
-
cpe:2.3:a:nextcloud:nextcloud_server:23.0.12.8
-
cpe:2.3:a:nextcloud:nextcloud_server:24.0.0
-
cpe:2.3:a:nextcloud:nextcloud_server:24.0.10
-
cpe:2.3:a:nextcloud:nextcloud_server:24.0.11
-
cpe:2.3:a:nextcloud:nextcloud_server:24.0.12.2
-
cpe:2.3:a:nextcloud:nextcloud_server:24.0.12.4
-
cpe:2.3:a:nextcloud:nextcloud_server:24.0.9
-
cpe:2.3:a:nextcloud:nextcloud_server:25.0.0
-
cpe:2.3:a:nextcloud:nextcloud_server:25.0.2
-
cpe:2.3:a:nextcloud:nextcloud_server:25.0.3
-
cpe:2.3:a:nextcloud:nextcloud_server:25.0.4
-
cpe:2.3:a:nextcloud:nextcloud_server:25.0.5
-
cpe:2.3:a:nextcloud:nextcloud_server:25.0.6
-
cpe:2.3:a:nextcloud:nextcloud_server:25.0.7
-
cpe:2.3:a:nextcloud:nextcloud_server:25.0.8
-
cpe:2.3:a:nextcloud:nextcloud_server:26.0.0
-
cpe:2.3:a:nextcloud:nextcloud_server:26.0.1
-
cpe:2.3:a:nextcloud:nextcloud_server:26.0.2
-
cpe:2.3:a:nextcloud:nextcloud_server:26.0.3
-
cpe:2.3:a:nextcloud:nextcloud_server:27.0.0