Is CVE-2001-0658 in the CISA KEV catalog?

No. CVE-2001-0658 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2001-0658?

CVE-2001-0658 has a CVSS v2 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2001-0658?

CVE-2001-0658 has an EPSS score of 11.34% (95th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2001-0658

HIGHEPSS 95th pctl

7.5

CVSS v2

NVD

Description

Cross-site scripting (CSS) vulnerability in Microsoft Internet Security and Acceleration (ISA) Server 2000 allows remote attackers to cause other clients to execute certain script or read cookies via malicious script in an invalid URL that is not properly quoted in an error message.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

11.34%probability of exploitation in 30 days

95thpercentile

Very high risk: more likely to be exploited than 95% of all known CVEs.

References

http://www.securityfocus.com/bid/3198
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-045
https://exchange.xforce.ibmcloud.com/vulnerabilities/6991

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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.