How severe is CVE-2001-0747?

CVE-2001-0747 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2001-0747 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-0747?

CVE-2001-0747 affects Iplanet Iplanet Web Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2001-0747?

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-2001-0747 published?

CVE-2001-0747 was published on 2001-10-18 and last updated on 2026-06-16.

CVE-2001-0747

CVE-2001-0747 is a high-severity vulnerability in Iplanet Iplanet Web Server 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: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Iplanet Iplanet Web Server
Published: 2001-10-18
Last modified: 2026-06-16

Description

Buffer overflow in iPlanet Web Server (iWS) Enterprise Edition 4.1, service packs 3 through 7, allows remote attackers to cause a denial of service and possibly execute arbitrary code via a long method name in an HTTP request.

Frequently asked questions

What is CVE-2001-0747?: Buffer overflow in iPlanet Web Server (iWS) Enterprise Edition 4.1, service packs 3 through 7, allows remote attackers to cause a denial of service and possibly execute arbitrary code via a long method name in an HTTP request.
How severe is CVE-2001-0747?: CVE-2001-0747 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2001-0747 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-0747?: CVE-2001-0747 affects Iplanet Iplanet Web Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2001-0747?: 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-2001-0747 published?: CVE-2001-0747 was published on 2001-10-18 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:iplanet:iplanet_web_server:4.1:*:*:*:*:*:*:*

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