CVE-2009-4178

Exp

Heap-based buffer overflow in OvWebHelp.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 Topic parameter.

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-2009-4178 is rated High Exploit Risk (84.8/100): CVSS Critical severity, with high exploitation likelihood (EPSS 74.02%, 99th percentile). 2 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2009-4178

EDB-ID Source Kind Published Link
16792 exploit_db edb 2010-11-11 Exploit-DB ↗
11974 exploit_db edb 2010-03-30 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2009-4178

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 86.10% 74.02% -12.07%
2 2025-05-03 87.61% 86.10% -1.51%
3 2025-03-19 — 87.61% —

Full EPSS history (18 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-4178

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-2009-4178

Affected software / configurations for CVE-2009-4178

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-2009-4178

cvelogic Threat Intelligence