Is CVE-2011-0891 being actively exploited?

CVE-2011-0891 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2011-0891?

CVE-2011-0891 has a CVSS 2.0 base score of 4.4 (MEDIUM).

CVE-2011-0891

MEDIUM · CVSS 4.4EPSS 0.3%EU EUVD

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.

Key facts

CVSS score: 4.4 (v2.0)
Severity: MEDIUM
CVSS vector: AV:L/AC:M/Au:S/C:N/I:N/A:C
EPSS score: 0.3% (21th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2011-0903)
Published: April 4, 2011
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-0903 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

hp / hp-ux
hp / hp-ux

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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