CVE-2025-62003
Unknown Unknown - Not Provided

Authentication Bypass Window in BullWall Server Intrusion Protection

Vulnerability report for CVE-2025-62003, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2025-12-18

Last updated on: 2025-12-18

Assigner: Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government

Description

BullWall Server Intrusion Protection has a noticeable delay before the MFA check when connecting via RDP. A remote authenticated attacker with administrative privileges can potentially bypass detection during this window. Versions 4.6.0.0, 4.6.0.6, 4.6.0.7, and 4.6.1.4 were confirmed to be affected; other versions before and after may also be affected.

CVSS Scores

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Meta Information

Published
2025-12-18
Last Modified
2025-12-18
Generated
2026-07-06
AI Q&A
2025-12-18
EPSS Evaluated
2026-07-05
NVD

Affected Vendors & Products

Showing 4 associated CPEs
Vendor Product Version / Range
bullwall server_intrusion_protection 4.6.0.0
bullwall server_intrusion_protection 4.6.0.6
bullwall server_intrusion_protection 4.6.0.7
bullwall server_intrusion_protection 4.6.1.4

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-367 The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check.

Attack-Flow Graph

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Executive Summary

This vulnerability exists in BullWall Server Intrusion Protection where there is a noticeable delay before the Multi-Factor Authentication (MFA) check occurs when connecting via Remote Desktop Protocol (RDP). During this delay window, a remote authenticated attacker who already has administrative privileges can potentially bypass detection by the system.

Impact Analysis

The vulnerability can allow a remote attacker with administrative privileges to bypass detection during the delay before MFA verification when connecting via RDP. This could lead to unauthorized actions or compromise of the system's security monitoring, increasing the risk of intrusion or malicious activity going unnoticed.

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