How severe is CVE-2011-2401?

CVE-2011-2401 has a CVSS 2.0 base score of 8.3, rated high severity.

Is CVE-2011-2401 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-2401?

CVE-2011-2401 primarily affects Hp Sitescope. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-2401?

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

When was CVE-2011-2401 published?

CVE-2011-2401 was published on 2011-07-29 and last updated on 2026-06-16.

CVE-2011-2401

CVE-2011-2401 is a high-severity vulnerability in Hp Sitescope with a CVSS 2.0 base score of 8.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 8.3)
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Hp Sitescope
Published: 2011-07-29
Last modified: 2026-06-16

Description

Session fixation vulnerability in HP SiteScope 9.x, 10.x, and 11.x allows remote attackers to hijack web sessions via unspecified vectors.

Frequently asked questions

What is CVE-2011-2401?: Session fixation vulnerability in HP SiteScope 9.x, 10.x, and 11.x allows remote attackers to hijack web sessions via unspecified vectors.
How severe is CVE-2011-2401?: CVE-2011-2401 has a CVSS 2.0 base score of 8.3, rated high severity.
Is CVE-2011-2401 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-2401?: CVE-2011-2401 primarily affects Hp Sitescope. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-2401?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2011-2401 published?: CVE-2011-2401 was published on 2011-07-29 and last updated on 2026-06-16.

References

Affected products (6)

cpe:2.3:a:hp:sitescope:9.0:*:*:*:*:*:*:*
cpe:2.3:a:hp:sitescope:9.54:*:*:*:*:*:*:*
cpe:2.3:a:hp:sitescope:10.00:*:*:*:*:*:*:*
cpe:2.3:a:hp:sitescope:10.13:*:*:*:*:*:*:*
cpe:2.3:a:hp:sitescope:11.01:*:*:*:*:*:*:*
cpe:2.3:a:hp:sitescope:11.1:*:*:*:*:*:*:*

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