Is CVE-2003-0531 in the CISA KEV catalog?

No. CVE-2003-0531 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2003-0531?

CVE-2003-0531 has a CVSS v2 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2003-0531?

CVE-2003-0531 has an EPSS score of 24.97% (98th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2003-0531

HIGHEPSS 98th pctl

7.5

CVSS v2

NVD

Description

Internet Explorer 5.01 SP3 through 6.0 SP1 allows remote attackers to access and execute script in the My Computer domain using the browser cache via crafted Content-Type and Content-Disposition headers, aka the "Browser Cache Script Execution in My Computer Zone" vulnerability.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

24.97%probability of exploitation in 30 days

98thpercentile

Very high risk: more likely to be exploited than 98% of all known CVEs.

References

http://secunia.com/advisories/9580
http://www.cert.org/advisories/CA-2003-22.html
http://www.kb.cert.org/vuls/id/205148
http://www.lac.co.jp/security/english/snsadv_e/67_e.html
http://www.securityfocus.com/bid/8457
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-032
https://exchange.xforce.ibmcloud.com/vulnerabilities/12961

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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.