CVE-2009-0920

CVE-2009-0920 is a high-severity vulnerability in Hp Network Node Manager with a CVSS 2.0 base score of 7.5. Its EPSS exploit-prediction score of 75% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

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.

Frequently asked questions

What is CVE-2009-0920?
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.
How severe is CVE-2009-0920?
CVE-2009-0920 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2009-0920 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 75% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-0920?
CVE-2009-0920 primarily affects Hp Network Node Manager. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-0920?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2009-0920 published?
CVE-2009-0920 was published on 2009-03-25 and last updated on 2026-06-16.

References

Affected products (3)

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