How severe is CVE-2009-3977?

CVE-2009-3977 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2009-3977 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-3977?

CVE-2009-3977 affects Hp Openview Network Node Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2009-3977?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2009-3977 published?

CVE-2009-3977 was published on 2009-11-19 and last updated on 2026-06-16.

CVE-2009-3977

CVE-2009-3977 is a medium-severity vulnerability in Hp Openview Network Node Manager with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Hp Openview Network Node Manager
Published: 2009-11-19
Last modified: 2026-06-16

Description

Multiple buffer overflows in a certain ActiveX control in ActiveDom.ocx in HP OpenView Network Node Manager (OV NNM) 7.53 might allow remote attackers to cause a denial of service (memory corruption) or have unspecified other impact via a long string argument to the (1) DisplayName, (2) AddGroup, (3) InstallComponent, or (4) Subscribe method. NOTE: this issue is not a vulnerability in many environments, because the control is not marked as safe for scripting and would not execute with default Internet Explorer settings.

Frequently asked questions

What is CVE-2009-3977?: Multiple buffer overflows in a certain ActiveX control in ActiveDom.ocx in HP OpenView Network Node Manager (OV NNM) 7.53 might allow remote attackers to cause a denial of service (memory corruption) or have unspecified other impact via a long string argument to the (1) DisplayName, (2) AddGroup, (3) InstallComponent, or (4) Subscribe method. NOTE: this issue is not a vulnerability in many environments, because the control is not marked as safe for scripting and would not execute with default Internet Explorer settings.
How severe is CVE-2009-3977?: CVE-2009-3977 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2009-3977 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-3977?: CVE-2009-3977 affects Hp Openview Network Node Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-3977?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-3977 published?: CVE-2009-3977 was published on 2009-11-19 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:hp:openview_network_node_manager:7.53:*:*:*:*:*:*:*

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