Nextcloud user_oidc Auth Bypass Before 1.3.2
CVE-2023-32074 Published on May 25, 2023

Nextcloud user_oidc app is missing brute force protection
user_oidc app is an OpenID Connect user backend for Nextcloud. Authentication can be broken/bypassed in user_oidc app. It is recommended that the Nextcloud user_oidc app is upgraded to 1.3.2

NVD

Vulnerability Analysis

CVE-2023-32074 is exploitable with network access, requires user interaction and a small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

Improper Restriction of Excessive Authentication Attempts

The software does not implement sufficient measures to prevent multiple failed authentication attempts within in a short time frame, making it more susceptible to brute force attacks.


Products Associated with CVE-2023-32074

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Nextcloud User Oidc
 

Affected Versions

nextcloud security-advisories Version < 1.3.2 is affected by CVE-2023-32074

Exploit Probability

EPSS
0.44%
Percentile
62.78%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.