CVE-2009-4179
CriticalPublic exploitStack-based buffer overflow in ovalarm.exe in HP OpenView Network Node Manager (OV NNM) 7.01, 7.51, and 7.53 allows remote attackers to execute arbitrary code via a long HTTP Accept-Language header in an OVABverbose action.
Published Dec 10, 2009 · Updated Apr 22, 2026
Key Facts
Patch immediately- CVE-2009-4179 is a critical-severity vulnerability (CVSS 10.0 v2) affecting Openview Network Node Manager (Hp).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 67% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v2
10.0
AV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS (30-day exploit likelihood)
67%
Higher than 99.2% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2009-4179 brief as a PDF
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Description
Stack-based buffer overflow in ovalarm.exe in HP OpenView Network Node Manager (OV NNM) 7.01, 7.51, and 7.53 allows remote attackers to execute arbitrary code via a long HTTP Accept-Language header in an OVABverbose action.
Affected Products
12 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Openview Network Node ManagerHp | 7.0.1, 7.51, 7.53 | n/a |
Timeline
Publicly disclosed
Dec 10, 2009
Last updated
Apr 22, 2026
Weakness Type
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
- patchSSRT090134
- patch37261
- exploitMSF hp_nnm_ovalarm_lang.rb
- exploitExploitDB-10394
- exploitExploitDB-16797
FAQ
Common Questions.
Stack-based buffer overflow in ovalarm.exe in HP OpenView Network Node Manager (OV NNM) 7.01, 7.51, and 7.53 allows remote attackers to execute arbitrary code via a long HTTP Accept-Language header in an OVABverbose action.
Affected: Openview Network Node Manager (Hp) versions 7.0.1, 7.51, 7.53. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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