How severe is CVE-2000-0437?

CVE-2000-0437 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2000-0437 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2000-0437?

CVE-2000-0437 primarily affects Network Associates Gauntlet Firewall. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2000-0437?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2000-0437 published?

CVE-2000-0437 was published on 2000-05-18 and last updated on 2026-06-16.

CVE-2000-0437

CVE-2000-0437 is a critical-severity vulnerability in Network Associates Gauntlet Firewall with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Network Associates Gauntlet Firewall
Published: 2000-05-18
Last modified: 2026-06-16

Description

Buffer overflow in the CyberPatrol daemon "cyberdaemon" used in gauntlet and WebShield allows remote attackers to cause a denial of service or execute arbitrary commands.

Frequently asked questions

What is CVE-2000-0437?: Buffer overflow in the CyberPatrol daemon "cyberdaemon" used in gauntlet and WebShield allows remote attackers to cause a denial of service or execute arbitrary commands.
How severe is CVE-2000-0437?: CVE-2000-0437 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2000-0437 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2000-0437?: CVE-2000-0437 primarily affects Network Associates Gauntlet Firewall. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2000-0437?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2000-0437 published?: CVE-2000-0437 was published on 2000-05-18 and last updated on 2026-06-16.

References

Affected products (7)

cpe:2.3:a:network_associates:gauntlet_firewall:4.1:*:*:*:*:*:*:*
cpe:2.3:a:network_associates:gauntlet_firewall:4.2:*:*:*:*:*:*:*
cpe:2.3:a:network_associates:gauntlet_firewall:5.0:*:*:*:*:*:*:*
cpe:2.3:a:network_associates:gauntlet_firewall:5.5:*:*:*:*:*:*:*
cpe:2.3:a:network_associates:webshield:4.0:*:solaris:*:*:*:*:*
cpe:2.3:h:network_associates:webshield_e-ppliance:100.0:*:*:*:*:*:*:*
cpe:2.3:h:network_associates:webshield_e-ppliance:300.0:*:*:*:*:*:*:*

More vulnerabilities in Network Associates Gauntlet Firewall

CVE-2001-1456 — High (CVSS 7.5): Buffer overflow in the (1) smap/smapd and (2) CSMAP daemons for Gauntlet Firewall 5.0 through 6.0 allows remote…
CVE-1999-0683 — Medium (CVSS 5.0): Denial of service in Gauntlet Firewall via a malformed ICMP packet.

All CVEs affecting Network Associates Gauntlet Firewall →