CVE-2006-6563

6.6 MEDIUM 2% exploit odds Fix listed

What it is

Stack-based buffer overflow in the pr_ctrls_recv_request function in ctrls.c in the mod_ctrls module in ProFTPD before 1.3.1rc1 allows local users to execute arbitrary code via a large reqarglen length value.

At a glance

Exploitability: Can be exploited locally on the machine with a login. High risk of data exposure, data tampering, service disruption.
Exploit odds: 2.3% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2006-12-15 11:28 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 22:33 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 2.3% in the next 30 days (EPSS).
Severity: 6.6 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2006-12-15 11:28 UTC
Last modified: 2026-06-16 22:33 UTC
Exploit probability: 2.3% · EPSS, next 30 days
Record status: Modified

Affected

Proftpd Project Proftpd 1.3.0
Proftpd Project Proftpd 1.3.0a

Attack profile CVSS 2.0 · 6.6

Attack vector: Local
Complexity: Medium
Authentication: Single
Confidentiality: Complete
Integrity: Complete
Availability: Complete

Raw vector

AV:L/AC:M/Au:S/C:C/I:C/A:C

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2006-6563.md and follow it. Check whether this project is affected by CVE-2006-6563. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record