Is CVE-2009-4176 in the CISA KEV catalog?

No. CVE-2009-4176 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2009-4176?

CVE-2009-4176 has a CVSS v2 base score of 10.0 (HIGH).

What is the EPSS score for CVE-2009-4176?

CVE-2009-4176 has an EPSS score of 11.79% (96th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2009-4176

HIGHEPSS 96th pctl

10.0

CVSS v2

NVD

Description

Multiple heap-based buffer overflows in ovsessionmgr.exe in HP OpenView Network Node Manager (OV NNM) 7.01, 7.51, and 7.53 allow remote attackers to execute arbitrary code via a long (1) userid or (2) passwd parameter to ovlogin.exe.

CWE-119Buffer Overflow

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

11.79%probability of exploitation in 30 days

96thpercentile

Very high risk: more likely to be exploited than 96% of all known CVEs.

References

http://dvlabs.tippingpoint.com/advisory/TPTI-09-09
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01950877
http://marc.info/?l=bugtraq&m=126046355120442&w=2
http://www.securityfocus.com/archive/1/508352/100/0/threaded
http://www.securityfocus.com/bid/37261
http://www.securityfocus.com/bid/37330
https://exchange.xforce.ibmcloud.com/vulnerabilities/54660

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-23.