Is CVE-2003-0478 in the CISA KEV catalog?

No. CVE-2003-0478 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2003-0478?

CVE-2003-0478 has a CVSS v2 base score of 10.0 (HIGH).

What is the EPSS score for CVE-2003-0478?

CVE-2003-0478 has an EPSS score of 12.28% (96th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2003-0478

HIGHEPSS 96th pctl

10.0

CVSS v2

NVD

Description

Format string vulnerability in (1) Bahamut IRCd 1.4.35 and earlier, and other IRC daemons based on Bahamut including (2) digatech 1.2.1, (3) methane 0.1.1, (4) AndromedeIRCd 1.2.3-Release, and (5) ircd-RU, when running in debug mode, allows remote attackers to cause a denial of service and possibly execute arbitrary code via a request containing format strings.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

12.28%probability of exploitation in 30 days

96thpercentile

Very high risk: more likely to be exploited than 96% of all known CVEs.

References

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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.