Is CVE-2004-1623 in the CISA KEV catalog?

No. CVE-2004-1623 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2004-1623?

CVE-2004-1623 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2004-1623?

CVE-2004-1623 has an EPSS score of 18.56% (97th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2004-1623

MEDIUMEPSS 97th pctl

5.0

CVSS v2

NVD

Description

The WAV file property handler in Windows XP SP1 allows remote attackers to cause a denial of service (infinite loop in Explorer) via a WAV file with an invalid file header whose fmt chunk length is set to 0xFFFFFFFF.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

18.56%probability of exploitation in 30 days

97thpercentile

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

References

http://marc.info/?l=bugtraq&m=109846319313443&w=2
http://securitytracker.com/id?1011880
http://www.hexview.com/docs/20041021-1.txt
http://www.osvdb.org/11053
http://www.securityfocus.com/bid/11503
https://exchange.xforce.ibmcloud.com/vulnerabilities/17864

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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.