What is CVE-2023-45167?

CVE-2023-45167 is a medium-severity vulnerability in IBM Aix, classified under Improper Input Validation. CVSS score: 6.2/10. Published 2023-11-10.

How severe is CVE-2023-45167?

Medium severity. CVSS v3 base score is 6.2 out of 10.

Resource exhaustion in IBM Aix

CVE-2023-45167

IBM AIX's 7.3 Python implementation could allow a non-privileged local user to exploit a vulnerability to cause a denial of service. IBM X-Force ID: 267965.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2023-11-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.003 (15.0th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 15.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

IBM Aix — versions 7.3
IBM Vios — versions 4.1

Weakness classification (CWE)

References

www.ibm.com/support/pages/node/7068084 (vendor-advisory, Vendor Advisory)
aix.software.ibm.com/aix/efixes/security/python_advisory6.asc (vendor-advisory, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/267965 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2023-45167?: CVE-2023-45167 is a medium-severity vulnerability in IBM Aix, classified under Improper Input Validation. CVSS score: 6.2/10. Published 2023-11-10.
How severe is CVE-2023-45167?: Medium severity. CVSS v3 base score is 6.2 out of 10.