CVE DATABASE / CVE-2009-2299
CVE-2009-2299
CVSS 5 · MEDIUM
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.
CVSS 2.0 breakdown
| Base score | 5 (MEDIUM) |
| Vector | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| Attack vector | NETWORK |
| Attack complexity | LOW |
| Confidentiality | NONE |
| Integrity | NONE |
| Availability | PARTIAL |
Affected products
Hyperguard_web_application_firewall_project hyperguard web application firewallApache http server
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References
- http://secunia.com/advisories/35645
- http://www.h4ck1nb3rg.at/wafs/advisory_artofdefence_hyperguard_200907.txt
- http://www.securityfocus.com/archive/1/504680/100/0/threaded
Data: NIST NVD. NVD last modified 2026-04-23. Always verify against the vendor advisory before acting.