CVE-2023-39958CWE-307

Missing brute force protection on password reset token OAuth2 API controller

Medium · published August 10, 2023

CVSS v3.1
5.8
EPSS
1%
Percentile
53.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.8 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00712 · 53.1th percentile
Weakness
CWE-307 · Improper Restriction of Excessive Authentication Attempts
Published
2023-08-10T17:04Z
EPSS history
Timeline
  • 10 AUG 17:04Z
    Missing brute force protection on password reset token OAuth2 API controller
    cvelistv5