CVE-2001-0456 Privilege escalation in n/a

What is CVE-2001-0456?

CVE-2001-0456 is a high-severity vulnerability in Debian Debian Linux, published on 18 Sep 2001. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Which versions are affected by CVE-2001-0456?

It affects 1 product.

Products include Debian Debian Linux.

How do I fix CVE-2001-0456?

No fix has been published for CVE-2001-0456 yet. Limit exposure of the affected software until one is available.

Is CVE-2001-0456 being exploited?

There is no known exploitation of CVE-2001-0456 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-vrj6-pf44-5f3r.