Is CVE-2001-0504 in the CISA KEV catalog?

No. CVE-2001-0504 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2001-0504?

CVE-2001-0504 has a CVSS v2 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2001-0504?

CVE-2001-0504 has an EPSS score of 23.06% (97th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2001-0504

HIGHEPSS 97th pctl

7.5

CVSS v2

NVD

Description

Vulnerability in authentication process for SMTP service in Microsoft Windows 2000 allows remote attackers to use incorrect credentials to gain privileges and conduct activities such as mail relaying.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

23.06%probability of exploitation in 30 days

97thpercentile

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

References

http://www.ciac.org/ciac/bulletins/l-107.shtml
http://www.kb.cert.org/vuls/id/435963
http://www.securityfocus.com/bid/2988
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-037
https://exchange.xforce.ibmcloud.com/vulnerabilities/6803

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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.