CVE-2009-0920

Exp

Stack-based buffer overflow in OvCgi/Toolbar.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 OvOSLocale cookie, a variant of CVE-2008-0067.

Published: 2009-03-25 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-0920 is rated High Exploit Risk (74.3/100): CVSS High severity, with high exploitation likelihood (EPSS 58.77%, 98th 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-2009-0920

EDB-ID Source Kind Published Link
17537 exploit_db edb 2011-07-16 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2009-0920

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 2025-03-30 69.58% 58.77% -10.81%
2 2025-03-29 58.77% 69.58% +10.81%
3 2025-03-17 — 58.77% —

Full EPSS history (16 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-0920

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P 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:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2009-0920

Affected software / configurations for CVE-2009-0920

Vendor Product Version Raw CPE
hp network_node_manager 7.0.1 cpe:2.3:a:hp:network_node_manager:7.0.1:*:*:*:*:*:*:*
hp network_node_manager 7.5.1 cpe:2.3:a:hp:network_node_manager:7.5.1:*:*:*:*:*:*:*
hp network_node_manager 7.5.3 cpe:2.3:a:hp:network_node_manager:7.5.3:*:*:*:*:*:*:*

References for CVE-2009-0920

cvelogic Threat Intelligence