Is CVE-2000-0491 in the CISA KEV catalog?

No. CVE-2000-0491 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2000-0491?

CVE-2000-0491 has a CVSS v2 base score of 10.0 (HIGH).

What is the EPSS score for CVE-2000-0491?

CVE-2000-0491 has an EPSS score of 17.78% (97th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2000-0491

HIGHEPSS 97th pctl

10.0

CVSS v2

NVD

Description

Buffer overflow in the XDMCP parsing code of GNOME gdm, KDE kdm, and wdm allows remote attackers to execute arbitrary commands or cause a denial of service via a long FORWARD_QUERY request.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

17.78%probability of exploitation in 30 days

97thpercentile

Very high risk: more likely to be exploited than 97% of all known CVEs.

References

http://archives.neohapsis.com/archives/bugtraq/2000-05/0241.html
http://archives.neohapsis.com/archives/bugtraq/2000-06/0025.html
http://www.novell.com/linux/security/advisories/suse_security_announce_49.html
http://www.securityfocus.com/bid/1233
http://www.securityfocus.com/bid/1279
http://www.securityfocus.com/bid/1370

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-16.