How severe is CVE-2011-0271?

CVE-2011-0271 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2011-0271 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-0271?

CVE-2011-0271 primarily affects Hp Openview Network Node Manager. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-0271?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2011-0271 published?

CVE-2011-0271 was published on 2011-01-13 and last updated on 2026-06-16.

CVE-2011-0271

CVE-2011-0271 is a critical-severity vulnerability in Hp Openview Network Node Manager with a CVSS 2.0 base score of 10.0. 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-78.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 7% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Hp Openview Network Node Manager
Published: 2011-01-13
Last modified: 2026-06-16

Description

The CGI scripts in HP OpenView Network Node Manager (OV NNM) 7.51 and 7.53 do not properly validate an unspecified parameter, which allows remote attackers to execute arbitrary commands by using a command string for this parameter's value, related to a "command injection vulnerability."

Frequently asked questions

What is CVE-2011-0271?: The CGI scripts in HP OpenView Network Node Manager (OV NNM) 7.51 and 7.53 do not properly validate an unspecified parameter, which allows remote attackers to execute arbitrary commands by using a command string for this parameter's value, related to a "command injection vulnerability."
How severe is CVE-2011-0271?: CVE-2011-0271 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2011-0271 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-0271?: CVE-2011-0271 primarily affects Hp Openview Network Node Manager. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-0271?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2011-0271 published?: CVE-2011-0271 was published on 2011-01-13 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:hp:openview_network_node_manager:7.51:*:*:*:*:*:*:*
cpe:2.3:a:hp:openview_network_node_manager:7.53:*:*:*:*:*:*:*

More vulnerabilities in Hp Openview Network Node Manager

CVE-2011-3167 — Critical (CVSS 10.0): Unspecified vulnerability in HP OpenView Network Node Manager (OV NNM) 7.51 and 7.53 allows remote attackers to execute…
CVE-2011-3166 — Critical (CVSS 10.0): Unspecified vulnerability in HP OpenView Network Node Manager (OV NNM) 7.51 and 7.53 allows remote attackers to execute…
CVE-2011-3165 — Critical (CVSS 10.0): Unspecified vulnerability in HP OpenView Network Node Manager (OV NNM) 7.51 and 7.53 allows remote attackers to execute…
CVE-2011-0270 — Critical (CVSS 10.0): Format string vulnerability in nnmRptConfig.exe in HP OpenView Network Node Manager (OV NNM) 7.51 and 7.53 allows…
CVE-2011-0269 — Critical (CVSS 10.0): Buffer overflow in nnmRptConfig.exe in HP OpenView Network Node Manager (OV NNM) 7.51 and 7.53 allows remote attackers…
CVE-2011-0268 — Critical (CVSS 10.0): Buffer overflow in nnmRptConfig.exe in HP OpenView Network Node Manager (OV NNM) 7.51 and 7.53 allows remote attackers…

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