Drupal Protected Pages <1.8 Brute Force via Improper Auth Restriction
CVE-2025-9551 Published on October 10, 2025

Protected Pages - Moderately critical - Access bypass - SA-CONTRIB-2025-101
Improper Restriction of Excessive Authentication Attempts vulnerability in Drupal Protected Pages allows Brute Force.This issue affects Protected Pages: from 0.0.0 before 1.8.0.

NVD

Vulnerability Analysis

CVE-2025-9551 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity, and a small impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
LOW
Integrity Impact:
NONE
Availability Impact:
LOW

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.


Affected Versions

Drupal Protected Pages:

Exploit Probability

EPSS
0.07%
Percentile
21.71%

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.