CVE-2025-62001CWE-420

BullWall Ransomware Containment hard-coded folder exclusions

High · published December 18, 2025

CVSS v4.0
8.7
EPSS
0%
Percentile
27.9
In the wild
Unconfirmed
What it is

⚡ A crafty directory renaming flaw could give an authenticated attacker a sneaky way to evade monitoring in BullWall Ransomware Containment! 🚀 Think of it like a restaurant that never checks the kitchen for expired ingredients. If the chef can rename a dish and avoid scrutiny, they might sneak in some stale food without anyone noticing! In this scenario, an attacker could hide their malicious activities by renaming directories that are supposed to be monitored, effectively escaping detection. This could lead to a situation where ransomware operates under the radar, potentially encrypting critical files and demanding a ransom that could be devastating for businesses.

Put simply

Think of it like a restaurant that never checks the kitchen for expired ingredients. If the chef can rename a dish and avoid scrutiny, they might sneak in some stale food without anyone noticing! This vulnerability allows authenticated users to exploit configurable file and directory exclusions in BullWall Ransomware Containment, renaming directories to bypass monitoring efforts. The vulnerability resides within the exclusion behavior that was hardcoded, which has since been modified in the latest versions to provide more control over exclusions.

What to do

In this scenario, an attacker could hide their malicious activities by renaming directories that are supposed to be monitored, effectively escaping detection. This could lead to a situation where ransomware operates under the radar, potentially encrypting critical files and demanding a ransom that could be devastating for businesses. To mitigate this risk, upgrade BullWall Ransomware Containment to version 4.6.1.14 or 5.0.0.42 immediately. Additionally, review and configure your exclusion settings to ensure they align with your security policies and do not inadvertently allow for evasion of monitoring. You've got this! Tackle this vulnerability, patch it up, and keep your systems secure! 🛡️

The record
Technical detail
CVSS v4.0
8.7 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00354 · 27.9th percentile
Weakness
CWE-420 · Unprotected Alternate Channel
Published
2025-12-18T20:32Z
EPSS history
Timeline
  • 18 DEC 20:32Z
    BullWall Ransomware Containment hard-coded folder exclusions
    cvelistv5