How severe is CVE-2001-1455?

CVE-2001-1455 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2001-1455 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-1455?

CVE-2001-1455 primarily affects Netegrity Siteminder. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2001-1455?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2001-1455 published?

CVE-2001-1455 was published on 2001-08-24 and last updated on 2026-06-16.

CVE-2001-1455

CVE-2001-1455 is a high-severity vulnerability in Netegrity Siteminder with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Netegrity Siteminder
Published: 2001-08-24
Last modified: 2026-06-16

Description

Netegrity SiteMinder 3.6 through 4.5.1 allows remote attackers to bypass filtering via URLs containing Unicode characters.

Frequently asked questions

What is CVE-2001-1455?: Netegrity SiteMinder 3.6 through 4.5.1 allows remote attackers to bypass filtering via URLs containing Unicode characters.
How severe is CVE-2001-1455?: CVE-2001-1455 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2001-1455 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-1455?: CVE-2001-1455 primarily affects Netegrity Siteminder. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2001-1455?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2001-1455 published?: CVE-2001-1455 was published on 2001-08-24 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:a:netegrity:siteminder:3.6:*:*:*:*:*:*:*
cpe:2.3:a:netegrity:siteminder:4.0:*:*:*:*:*:*:*
cpe:2.3:a:netegrity:siteminder:4.5:*:*:*:*:*:*:*
cpe:2.3:a:netegrity:siteminder:4.5.1:*:*:*:*:*:*:*

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