What is CVE-2023-45166?

CVE-2023-45166 is a high-severity vulnerability in IBM Aix. CVSS score: 8.4/10. Published 2023-12-13.

How severe is CVE-2023-45166?

High severity. CVSS v3 base score is 8.4 out of 10.

Vulnerability in IBM Aix

CVE-2023-45166

IBM AIX 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the piodmgrsu command to obtain elevated privileges. IBM X-Force ID: 267964.

Published 2023-12-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (13.4th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 13.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

IBM Aix — versions 7.2, 7.3, VIOS 3.1, 7.2, 7.3
IBM Vios — versions 3.1

References

www.ibm.com/support/pages/node/7095022 (vendor-advisory, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/267964 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2023-45166?: CVE-2023-45166 is a high-severity vulnerability in IBM Aix. CVSS score: 8.4/10. Published 2023-12-13.
How severe is CVE-2023-45166?: High severity. CVSS v3 base score is 8.4 out of 10.