How severe is CVE-2001-0456?

CVE-2001-0456 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2001-0456 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-0456?

CVE-2001-0456 affects Debian Debian Linux. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2001-0456?

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-2001-0456 published?

CVE-2001-0456 was published on 2001-06-27 and last updated on 2026-06-16.

CVE-2001-0456

CVE-2001-0456 is a high-severity vulnerability in Debian Debian Linux 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: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Debian Debian Linux
Published: 2001-06-27
Last modified: 2026-06-16

Description

postinst installation script for Proftpd in Debian 2.2 does not properly change the "run as uid/gid root" configuration when the user enables anonymous access, which causes the server to run at a higher privilege than intended.

Frequently asked questions

What is CVE-2001-0456?: postinst installation script for Proftpd in Debian 2.2 does not properly change the "run as uid/gid root" configuration when the user enables anonymous access, which causes the server to run at a higher privilege than intended.
How severe is CVE-2001-0456?: CVE-2001-0456 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2001-0456 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-0456?: CVE-2001-0456 affects Debian Debian Linux. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2001-0456?: 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-2001-0456 published?: CVE-2001-0456 was published on 2001-06-27 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:o:debian:debian_linux:2.2:*:*:*:*:*:*:*

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