CVE-2001-0692

CVE-2001-0692 is a high-severity vulnerability in Watchguard Firebox 2500 with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

SMTP proxy in WatchGuard Firebox (2500 and 4500) 4.5 and 4.6 allows a remote attacker to bypass firewall filtering via a base64 MIME encoded email attachment whose boundary name ends in two dashes.

Frequently asked questions

What is CVE-2001-0692?
SMTP proxy in WatchGuard Firebox (2500 and 4500) 4.5 and 4.6 allows a remote attacker to bypass firewall filtering via a base64 MIME encoded email attachment whose boundary name ends in two dashes.
How severe is CVE-2001-0692?
CVE-2001-0692 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2001-0692 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-0692?
CVE-2001-0692 primarily affects Watchguard Firebox 2500. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2001-0692?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2001-0692 published?
CVE-2001-0692 was published on 2001-09-20 and last updated on 2026-06-16.

References

Affected products (4)