CVE-2011-3156

Unspecified vulnerability in HP Data Protector Notebook Extension 6.20 and Data Protector for Personal Computers 7.0 allows remote attackers to execute arbitrary code via unknown vectors, aka ZDI-CAN-1222.

Published: 2011-10-19 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2011-3156 is rated High Risk (77.2/100): CVSS Critical severity, with high exploitation likelihood (EPSS 48.97%, 98th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +3.02% over the last day, indicating growing attacker interest. Mandatory action: 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-2011-3156

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 2026-03-02 45.96% 48.97% +3.02%
2 2025-03-30 37.27% 45.96% +8.69%
3 2025-03-29 37.27%

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-3156

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
10.0 10.0 [email protected]

Weakness enumeration for CVE-2011-3156

Affected software / configurations for CVE-2011-3156

Vendor Product Version Raw CPE
hp data_protector_for_personal_computers 7.0 cpe:2.3:a:hp:data_protector_for_personal_computers:7.0:*:*:*:*:*:*:*
hp data_protector_notebook_extension 6.20 cpe:2.3:a:hp:data_protector_notebook_extension:6.20:*:*:*:*:*:*:*

References for CVE-2011-3156

cvelogic Threat Intelligence