Is CVE-2001-0658 being actively exploited?

CVE-2001-0658 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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

CVE-2001-0658 has a CVSS 2.0 base score of 7.5 (HIGH).

CVE-2001-0658

HIGH · CVSS 7.5EPSS 14.2%EU EUVD

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.

Key facts

CVSS score: 7.5 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS score: 14.2% (97th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2001-0644)
Published: September 20, 2001
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2001-0644 in the EU Vulnerability Database. Last updated in EUVD on August 8, 2024.

View on the EU Vulnerability Database

Affected products

microsoft / isa server

Certified products that may be affected

1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.

ISA Server 2000 with Service Pack 1 and Feature Pack 1, Firewall - Microsoft Corporation - Common Criteria BSI-DSZ-CC-0218-2003 - archived

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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