CVE-2009-2299 json
The Artofdefence Hyperguard Web Application Firewall (WAF) module before 2.5.5-11635, 3.0 before 3.0.3-11636, and 3.1 before 3.1.1-11637, a…
published 2009-07-02 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-2295
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.3%
- EPSS 4.3% chance of exploitation in 30 days, percentile 91%
- public exploits
- 0
- none known
Summary
The Artofdefence Hyperguard Web Application Firewall (WAF) module before 2.5.5-11635, 3.0 before 3.0.3-11636, and 3.1 before 3.1.1-11637, a module for the Apache HTTP Server, allows remote attackers to cause a denial of service (memory consumption) via an HTTP request with a large Content-Length value but no POST data.
Patch / fix
- hyperguard_web_application_firewall_project hyperguard_web_application_firewall 2.5.5-11635, 3.0.3-11636, 3.1.1-11637
Exploit prediction
4.25% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
References
-
h4ck1nb3rg.at
/wafs/advisory_artofdefence_hyperguard_200907.txt
broken-link
-
securityfocus.com
/archive/1/504680/100/0/threaded
mailing-list, third-party-advisory, vdb-entry
-
secunia.com
/advisories/35645
third-party-advisory
Sources
- CVE List CVE-2009-2299
- NVD CVE-2009-2299
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.