Is CVE-2003-0264 in the CISA KEV catalog?

No. CVE-2003-0264 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2003-0264?

CVE-2003-0264 has a CVSS v2 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2003-0264?

CVE-2003-0264 has an EPSS score of 71.48% (99th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2003-0264

HIGHEPSS 99th pctl

7.5

CVSS v2

NVD

Description

Multiple buffer overflows in SLMail 5.1.0.4420 allows remote attackers to execute arbitrary code via (1) a long EHLO argument to slmail.exe, (2) a long XTRN argument to slmail.exe, (3) a long string to POPPASSWD, or (4) a long password to the POP3 server.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

71.48%probability of exploitation in 30 days

99thpercentile

Very high risk: more likely to be exploited than 99% of all known CVEs.

References

http://marc.info/?l=bugtraq&m=105232506011335&w=2
http://marc.info/?l=ntbugtraq&m=105233360321895&w=2
http://packetstormsecurity.com/files/161526/SLMail-5.1.0.4420-Remote-Code-Execution.html
http://www.nextgenss.com/advisories/slmail-vulns.txt

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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.