CVE-2009-3094

2.6 LOW 9% exploit odds Fix listed Memory safety Library

What it is

The ap_proxy_ftp_handler function in modules/proxy/proxy_ftp.c in the mod_proxy_ftp module in the Apache HTTP Server 2.0.63 and 2.2.13 allows remote FTP servers to cause a denial of service (NULL pointer dereference and child process crash) via a malformed reply to an EPSV command.

At a glance

Exploitability: Can be exploited over the network without logging in. Limited direct impact.
Exploit odds: 8.6% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2009-09-08 18:30 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 23:10 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 8.6% in the next 30 days (EPSS).
Severity: 2.6 LOW (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2009-09-08 18:30 UTC
Last modified: 2026-06-16 23:10 UTC
Exploit probability: 8.6% · EPSS, next 30 days
Weakness: CWE-476 · NULL pointer dereference
Record status: Modified

Affected

Apache Http Server < 2.0.64
Apache Http Server < 2.2.14
Fedoraproject Fedora 10
Fedoraproject Fedora 12
Debian Linux 4.0
Debian Linux 5.0

Attack profile CVSS 2.0 · 2.6

Attack vector: Network
Complexity: High
Authentication: None
Confidentiality: None
Integrity: None
Availability: Partial

Raw vector

AV:N/AC:H/Au:N/C:N/I:N/A:P

Is it in your code?

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Read https://cve-list.com/agent/cve/CVE-2009-3094.md and follow it. Check whether this project is affected by CVE-2009-3094. 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