Multiple heap-based buffer overflows in OvCgi/Toolbar.exe in HP OpenView Network Node…
Priority MEDIUM 57CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
Multiple heap-based buffer overflows in OvCgi/Toolbar.exe in HP OpenView Network Node Manager (OV NNM) 7.01, 7.51, and 7.53 allow remote attackers to execute arbitrary code via (1) a long OvAcceptLang cookie, which triggers the error in ov.dll and ovwww.dll, or (2) a long Accept-Language HTTP header, which triggers the error in ovwww.dll or libovwww.so.4.
Why it matters now
EPSS 0.13236 96th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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 · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:hp:network_node_manager:7.0.1:*:*:*:*:*:*:* | 7.0.1 | Vulnerable | Hewlett Packard Enterprise |
| cpe:2.3:a:hp:network_node_manager:7.5.1:*:*:*:*:*:*:* | 7.5.1 | Vulnerable | Hewlett Packard Enterprise |
| cpe:2.3:a:hp:network_node_manager:7.5.3:*:*:*:*:*:*:* | 7.5.3 | Vulnerable | Hewlett Packard Enterprise |
- cpe:2.3:a:hp:network_node_manager:7.0.1:*:*:*:*:*:*:* Versions 7.0.1 Vulnerable ·Hewlett Packard Enterprise
- cpe:2.3:a:hp:network_node_manager:7.5.1:*:*:*:*:*:*:* Versions 7.5.1 Vulnerable ·Hewlett Packard Enterprise
- cpe:2.3:a:hp:network_node_manager:7.5.3:*:*:*:*:*:*:* Versions 7.5.3 Vulnerable ·Hewlett Packard Enterprise
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2009-0921
- 2026-10-03 Alias added: GHSA-6c5j-6f9w-rg72
References
More Hewlett Packard Enterprise Network Node Manager vulnerabilities
- TI-2009-00874 Stack-based buffer overflow in OvCgi/Toolbar.exe in HP OpenView Network Node Manager (OV… CVSS 2.0HIGH 7.5
- TI-2010-00423 Unspecified vulnerability in HP Network Node Manager (NNM) 8.10, 8.11, 8.12, and 8.13… CVSS 2.0HIGH 10.0
- TI-2007-00796 HP Network Node Manager (NNM) Remote Console 7.50, 7.51, and 7.53 assigns Everyone Full… CVSS 2.0HIGH 7.2
Sources
- CVE-2009-0921 · CVE Program
- CVE-2009-0921 · NVD
- FIRST EPSS
- GHSA-6c5j-6f9w-rg72 · 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