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Fencer Vulns
medium 5.0

CVE-2009-3977 json

Multiple buffer overflows in a certain ActiveX control in ActiveDom.ocx in HP OpenView Network Node Manager (OV NNM) 7.53 might allow remot…

published 2009-11-19 16 y ago modified 2026-06-16 4 mo ago also EUVD-2009-3948

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.3%
EPSS 2.3% chance of exploitation in 30 days, percentile 83%
public exploits
0
none known

Summary

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.

Patch / fix

Exploit prediction

2.33% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • coresecurity.com http://www.coresecurity.com/content/openview_nnm_internaldb_dos referenced PoC, tagged "exploit" by a source, unverified
  • seclists.org http://seclists.org/fulldisclosure/2009/Nov/199 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.