CVE-2025-62003: BullWall Server Intrusion Protection RDP MFA connection delay

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-12-18 · updated 2026-06-17
Weakness: CWE-367

Description

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.

Affected products

BullWall Server Intrusion Protection: 4.6.0.0, 4.6.0.6, 4.6.0.7, 4.6.1.4

References

https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-25-352-01.json
https://www.cve.org/CVERecord?id=CVE-2025-62003

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