The Artofdefence Hyperguard Web Application Firewall (WAF) module before 2.5.5-11635, 3.0…
Priority LOW 30Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
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.
Why it matters now
EPSS 0.04255 91st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:hyperguard_web_application_firewall_project:hyperguard_web_application_firewall:*:*:*:*:*:*:*:* | before 2.5.5-11635; 3.0 to before 3.0.3-11636; 3.1 to before 3.1.1-11637 | Vulnerable | Hyperguard Web Application Firewall Project |
| cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* | all versions | Running on | Apache |
- cpe:2.3:a:hyperguard_web_application_firewall_project:hyperguard_web_application_firewall:*:*:*:*:*:*:*:* Versions before 2.5.5-11635; 3.0 to before 3.0.3-11636; 3.1 to before 3.1.1-11637 Vulnerable ·Hyperguard Web Application Firewall Project
- cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* Versions all versions Running on ·Apache
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2009-2299
- 2026-10-03 Alias added: GHSA-23f2-7h54-3w8p
Sources
- CVE-2009-2299 · CVE Program
- CVE-2009-2299 · NVD
- FIRST EPSS
- GHSA-23f2-7h54-3w8p · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences