How severe is CVE-2011-4156?

CVE-2011-4156 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2011-4156 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-4156?

CVE-2011-4156 primarily affects Hp Network Node Manager I. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-4156?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2011-4156 published?

CVE-2011-4156 was published on 2011-11-16 and last updated on 2026-06-16.

CVE-2011-4156

CVE-2011-4156 is a medium-severity vulnerability in Hp Network Node Manager I with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Hp Network Node Manager I
Published: 2011-11-16
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2011-4156?: CVE-2011-4156 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2011-4156 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-4156?: CVE-2011-4156 primarily affects Hp Network Node Manager I. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-4156?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-4156 published?: CVE-2011-4156 was published on 2011-11-16 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:a:hp:network_node_manager_i:9.01:*:*:*:*:*:*:*
cpe:2.3:a:hp:network_node_manager_i:9.02:*:*:*:*:*:*:*
cpe:2.3:a:hp:network_node_manager_i:9.03:*:*:*:*:*:*:*
cpe:2.3:a:hp:network_node_manager_i:9.10:*:*:*:*:*:*:*

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