CVE-2011-4156

Cross-site scripting (XSS) vulnerability in HP Network Node Manager i (NNMi) 9.0x and 9.1x allows remote attackers to inject arbitrary web script or HTML via unspecified vectors, a different vulnerability than CVE-2011-4155.

Published: 2011-11-16 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2011-4156 is rated Moderate Risk (46.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.76%). Mandatory action: Review affected assets and schedule 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-2011-4156

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 1.19% 1.76% +0.57%
2 2025-03-29 1.76% 1.19% -0.57%
3 2025-03-17 1.76%

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-4156

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
8.6 2.9 [email protected]

Weakness enumeration for CVE-2011-4156

Affected software / configurations for CVE-2011-4156

Vendor Product Version Raw CPE
hp network_node_manager_i 9.01 cpe:2.3:a:hp:network_node_manager_i:9.01:*:*:*:*:*:*:*
hp network_node_manager_i 9.02 cpe:2.3:a:hp:network_node_manager_i:9.02:*:*:*:*:*:*:*
hp network_node_manager_i 9.03 cpe:2.3:a:hp:network_node_manager_i:9.03:*:*:*:*:*:*:*
hp network_node_manager_i 9.10 cpe:2.3:a:hp:network_node_manager_i:9.10:*:*:*:*:*:*:*

References for CVE-2011-4156

cvelogic Threat Intelligence