CVE-2025-62003: BullWall Server Intrusion Protection has a noticeable configuration-dependent delay before the MFA check for R

Routine

HIGH 7.5DOWNGRADE

CVE-2025-62003 is a high-severity flaw (CVSS 7.5) affecting server intrusion protection. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 73%)
CISA exploited list	No
Weakness	CWE-367
Published	2025-12-18
Last modified	2026-06-17

Publisher (CNA): Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government · Vendor: bullwall

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-12-18 21:15 UTCPublished CVE record published
2026-06-17 09:51 UTCUpdated Record last modified

bullwall server intrusion protection DOWNGRADE

Affected: 4.6.0.0 · 4.6.0.6 · 4.6.0.7 · 4.6.1.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.6.0.0

1. Check installed version

apt-cache policy server-intrusion-protection || rpm -q server-intrusion-protection || server-intrusion-protection --version

2. No fixed release: DOWNGRADE to a release before 4.6.0.0 (Debian / Ubuntu)

apt-cache madison server-intrusion-protection sudo apt install server-intrusion-protection=<VERSION_BEFORE_4.6.0.0> sudo apt-mark hold server-intrusion-protection

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list server-intrusion-protection sudo dnf downgrade server-intrusion-protection-<VERSION_BEFORE_4.6.0.0> sudo dnf versionlock add server-intrusion-protection

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-62003?

server intrusion protection: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-62003 being exploited?

CVE-2025-62003 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-62003 affect?

CVE-2025-62003 affects server intrusion protection. Severity is high (CVSS 7.5). 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.

How urgent is CVE-2025-62003?

Priority 33/100. High severity

Software pages

WinRM and RDP vulnerabilities

Related CVEs

CVE-2025-62004 HIGH 7.5 DOWNGRADE BullWall Server Intrusion Protection (SIP) services are initialized after login services during system startup

References

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