CVE-2009-4180

Stack-based buffer overflow in snmpviewer.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 HTTP Host header.

Published: 2009-12-10 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-4180 is rated High Risk (68.6/100): CVSS Critical severity, with high exploitation likelihood (EPSS 13.87%, 96th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2009-4180

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 31.49% 13.87% -17.62%
2 2026-05-01 33.83% 31.49% -2.34%
3 2025-05-03 — 33.83% —

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-4180

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 10.0 [email protected]

Weakness enumeration for CVE-2009-4180

Affected software / configurations for CVE-2009-4180

Vendor Product Version Raw CPE
hp openview_network_node_manager 7.0.1 cpe:2.3:a:hp:openview_network_node_manager:7.0.1:*:hp_ux:*:*:*:*:*
hp openview_network_node_manager 7.0.1 cpe:2.3:a:hp:openview_network_node_manager:7.0.1:*:linux:*:*:*:*:*
hp openview_network_node_manager 7.0.1 cpe:2.3:a:hp:openview_network_node_manager:7.0.1:*:solaris:*:*:*:*:*
hp openview_network_node_manager 7.0.1 cpe:2.3:a:hp:openview_network_node_manager:7.0.1:*:windows:*:*:*:*:*
hp openview_network_node_manager 7.51 cpe:2.3:a:hp:openview_network_node_manager:7.51:-:hp-ux:*:*:*:*:*
hp openview_network_node_manager 7.51 cpe:2.3:a:hp:openview_network_node_manager:7.51:-:linux:*:*:*:*:*
hp openview_network_node_manager 7.51 cpe:2.3:a:hp:openview_network_node_manager:7.51:-:solaris:*:*:*:*:*
hp openview_network_node_manager 7.51 cpe:2.3:a:hp:openview_network_node_manager:7.51:-:windows:*:*:*:*:*
hp openview_network_node_manager 7.53 cpe:2.3:a:hp:openview_network_node_manager:7.53:-:hp-ux:*:*:*:*:*
hp openview_network_node_manager 7.53 cpe:2.3:a:hp:openview_network_node_manager:7.53:-:linux:*:*:*:*:*
hp openview_network_node_manager 7.53 cpe:2.3:a:hp:openview_network_node_manager:7.53:-:solaris:*:*:*:*:*
hp openview_network_node_manager 7.53 cpe:2.3:a:hp:openview_network_node_manager:7.53:-:windows:*:*:*:*:*

References for CVE-2009-4180

cvelogic Threat Intelligence