How severe is CVE-2001-0665?

CVE-2001-0665 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2001-0665 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 12% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-0665?

CVE-2001-0665 affects Microsoft Ie. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2001-0665?

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-2001-0665 published?

CVE-2001-0665 was published on 2001-10-30 and last updated on 2026-06-16.

CVE-2001-0665

CVE-2001-0665 is a high-severity vulnerability in Microsoft Ie with a CVSS 2.0 base score of 7.5. Its EPSS exploit-prediction score of 12% places it in the 96th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 12% (96th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Ie
Published: 2001-10-30
Last modified: 2026-06-16

Description

Internet Explorer 6 and earlier allows remote attackers to cause certain HTTP requests to be automatically executed and appear to come from the user, which could allow attackers to gain privileges or execute operations within web-based services, aka the "HTTP Request Encoding vulnerability."

Frequently asked questions

What is CVE-2001-0665?: Internet Explorer 6 and earlier allows remote attackers to cause certain HTTP requests to be automatically executed and appear to come from the user, which could allow attackers to gain privileges or execute operations within web-based services, aka the "HTTP Request Encoding vulnerability."
How severe is CVE-2001-0665?: CVE-2001-0665 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2001-0665 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 12% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-0665?: CVE-2001-0665 affects Microsoft Ie. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2001-0665?: 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-2001-0665 published?: CVE-2001-0665 was published on 2001-10-30 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:microsoft:ie:*:windows_server_2003_sp1:*:*:*:*:*:*

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