CVE-2023-39958
Medium
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.
SeverityMedium
CVSS5.8
Exploit probability—
Product
Nextcloud Server
PublishedAug 10, 2023
First seenAug 10, 2023
Weakness typeCWE-307CWE-307
How to fix
Update
- nextcloud nextcloud_server22.2.10.14, 23.0.12.9, 24.0.12.5, 25.0.9, 26.0.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| nextcloud nextcloud_server | 22.0.0 ≤ v < 22.2.10.14, 23.0.0 ≤ v < 23.0.12.9, 24.0.0 ≤ v < 24.0.12.5, 25.0.0 ≤ v < 25.0.9, 26.0.0 ≤ v < 26.0.4, 27.0.0 | 22.2.10.14, 23.0.12.9, 24.0.12.5, 25.0.9, 26.0.4 |
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