How severe is CVE-2000-0201?

CVE-2000-0201 has a CVSS 2.0 base score of 5.1, rated medium severity.

Is CVE-2000-0201 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2000-0201?

CVE-2000-0201 primarily affects Microsoft Internet Explorer. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2000-0201?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2000-0201 published?

CVE-2000-0201 was published on 2000-03-01 and last updated on 2026-06-16.

CVE-2000-0201

CVE-2000-0201 is a medium-severity vulnerability in Microsoft Internet Explorer with a CVSS 2.0 base score of 5.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.1)
EPSS exploit prediction: 7% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Internet Explorer
Published: 2000-03-01
Last modified: 2026-06-16

Description

The window.showHelp() method in Internet Explorer 5.x does not restrict HTML help files (.chm) to be executed from the local host, which allows remote attackers to execute arbitrary commands via Microsoft Networking.

Frequently asked questions

What is CVE-2000-0201?: The window.showHelp() method in Internet Explorer 5.x does not restrict HTML help files (.chm) to be executed from the local host, which allows remote attackers to execute arbitrary commands via Microsoft Networking.
How severe is CVE-2000-0201?: CVE-2000-0201 has a CVSS 2.0 base score of 5.1, rated medium severity.
Is CVE-2000-0201 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2000-0201?: CVE-2000-0201 primarily affects Microsoft Internet Explorer. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2000-0201?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2000-0201 published?: CVE-2000-0201 was published on 2000-03-01 and last updated on 2026-06-16.

References

http://www.securityfocus.com/bid/1033

Affected products (2)

cpe:2.3:a:microsoft:internet_explorer:5.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:5.01:*:*:*:*:*:*:*

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