Vulnerability in Bullwall Server Intrusion Protection

CVE-2025-62003

BullWall Server Intrusion Protection has a noticeable configuration-dependent delay before the MFA check for RDP connections. A remote, authenticated attacker can potentially bypass detection during this delay. Versions 4.6.0.0, 4.6.0.6, 4.6.0.7, and 4.6.1.4 are affected. Other versions may also be affected.

Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)

EPSS: 0.003 (24.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-62003?
CVE-2025-62003 is a high-severity vulnerability in Bullwall Server Intrusion Protection, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 7.5/10. Published 2025-12-18.
How severe is CVE-2025-62003?
High severity. CVSS v3 base score is 7.5 out of 10.