CVE-2009-5111

Name: CVE-2009-5111
Creator: NVD / NIST
Published: 2011-12-27T18:55:01.047+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.22%

Last modified Jun 16, 2026

CVE-2009-5111 is a vulnerability of currently unknown severity. GoAhead WebServer allows remote attackers to cause a denial of service (daemon outage) via partial HTTP requests, as demonstrated by Slowloris.. EPSS estimates a 1.22% chance of exploitation in the next 30 days.

Description

GoAhead WebServer allows remote attackers to cause a denial of service (daemon outage) via partial HTTP requests, as demonstrated by Slowloris.

Metrics

EPSS Probability

1.22%

64.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-399

Affected Software

Vendor	Product	Versions
Goahead	Goahead Webserver	All versions

References

Timeline

Published: Dec 27, 2011
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2009-5111?

GoAhead WebServer allows remote attackers to cause a denial of service (daemon outage) via partial HTTP requests, as demonstrated by Slowloris.

How severe is CVE-2009-5111?

Severity scoring for CVE-2009-5111 is pending analysis. The EPSS model estimates a 1.22% probability of exploitation in the next 30 days.

How do I fix CVE-2009-5111?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2009-5111?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST