MFA Bypass Vulnerability in BullWall Server Intrusion Protection
CVE-2025-62003

7.5HIGH

Key Information:

Vendor

Bullwall

Status
Server Intrusion Protection
Vendor
CVE Published:
18 December 2025

What is CVE-2025-62003?

The BullWall Server Intrusion Protection software experiences a vulnerability that results in a significant delay prior to the Multi-Factor Authentication (MFA) check during Remote Desktop Protocol (RDP) connections. This gap allows remote authenticated attackers with administrative privileges to exploit this delay, potentially enabling them to bypass expected security measures undetected. Affected versions include 4.6.0.0, 4.6.0.6, 4.6.0.7, and 4.6.1.4, although other versions may also share this vulnerability.

Affected Version(s)

Server Intrusion Protection 4.6.0.0

References

https://raw.githubusercontent.com/cisagov/CSAF/develop/cs...
https://www.cve.org/CVERecord?id=CVE-2025-62003

CVSS V4

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Alexander Nikolaj
JSON
.
CVE-2025-62003 : MFA Bypass Vulnerability in BullWall Server Intrusion Protection