CVE-2009-0920
HighPublic exploitStack-based buffer overflow in OvCgi/Toolbar.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 OvOSLocale cookie, a variant of CVE-2008-0067.
Published Mar 24, 2009 · Updated Apr 22, 2026
Key Facts
Patch immediately- CVE-2009-0920 is a high-severity vulnerability (CVSS 7.5 v2) affecting Network Node Manager (Hp).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 75% 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
7.5
AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS (30-day exploit likelihood)
75%
Higher than 99.5% 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-2009-0920 brief as a PDF
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Description
Stack-based buffer overflow in OvCgi/Toolbar.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 OvOSLocale cookie, a variant of CVE-2008-0067.
Affected Products
3 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Network Node ManagerHp | 7.0.1, 7.5.1, 7.5.3 | n/a |
Timeline
Publicly disclosed
Mar 24, 2009
Last updated
Apr 22, 2026
Weakness Type
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
- advisory34444
- advisoryADV-2009-0819
- exploitMSF hp_nnm_toolbar_02.rb
- exploitExploitDB-17537
- exploithttp://www.coresecurity.com/content/openview-buffer-overflows
FAQ
Common Questions.
Stack-based buffer overflow in OvCgi/Toolbar.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 OvOSLocale cookie, a variant of CVE-2008-0067.
Affected: Network Node Manager (Hp) versions 7.0.1, 7.5.1, 7.5.3. 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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