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.

Published: 2011-07-29 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-2401 is rated High Risk (67.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 4.13%). EPSS rose +2.97% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize 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-2011-2401

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 2026-06-15 1.16% 4.13% +2.97%
2 2025-03-30 1.58% 1.16% -0.42%
3 2025-03-29 — 1.58% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-2401

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:P/A:P 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:C)
Complete confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.6 8.5 [email protected]

Weakness enumeration for CVE-2011-2401

NVD evaluator notes for CVE-2011-2401

Comment: Per: http://cwe.mitre.org/data/definitions/384.html 'CWE-384: Session Fixation'

Affected software / configurations for CVE-2011-2401

Vendor Product Version Raw CPE
hp sitescope 9.0 cpe:2.3:a:hp:sitescope:9.0:*:*:*:*:*:*:*
hp sitescope 9.54 cpe:2.3:a:hp:sitescope:9.54:*:*:*:*:*:*:*
hp sitescope 10.00 cpe:2.3:a:hp:sitescope:10.00:*:*:*:*:*:*:*
hp sitescope 10.13 cpe:2.3:a:hp:sitescope:10.13:*:*:*:*:*:*:*
hp sitescope 11.01 cpe:2.3:a:hp:sitescope:11.01:*:*:*:*:*:*:*
hp sitescope 11.1 cpe:2.3:a:hp:sitescope:11.1:*:*:*:*:*:*:*

References for CVE-2011-2401

cvelogic Threat Intelligence