CVE-2011-0891

Unspecified vulnerability in the OS-Core.CORE2-KRN fileset in HP HP-UX B.11.23 and B.11.31 allows local users to cause a denial of service via unknown vectors.

Published: 2011-04-04 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-0891 is rated Low Risk (24.7/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.28%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

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-2011-0891

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 0.04% 0.28% +0.24%
2 2023-03-07 0.89% 0.04% -0.85%
3 2022-02-04 — 0.89% —

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-0891

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.4 2.0 MEDIUM
AV:L/AC:M/Au:S/C:N/I:N/A:C Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
 2.7 6.9 [email protected]

Weakness enumeration for CVE-2011-0891

Affected software / configurations for CVE-2011-0891

Vendor Product Version Raw CPE
hp hp-ux b.11.23 cpe:2.3:o:hp:hp-ux:b.11.23:*:*:*:*:*:*:*
hp hp-ux b.11.31 cpe:2.3:o:hp:hp-ux:b.11.31:*:*:*:*:*:*:*

References for CVE-2011-0891

cvelogic Threat Intelligence