What is CVE-2024-27273?

CVE-2024-27273 is a high-severity vulnerability in IBM Aix, classified under Incorrect Privilege Assignment. CVSS score: 8.1/10. Published 2024-05-07.

How severe is CVE-2024-27273?

High severity. CVSS v3 base score is 8.1 out of 10.

Privilege escalation in IBM Aix

CVE-2024-27273

IBM AIX's Unix domain (AIX 7.2, 7.3, VIOS 3.1, and VIOS 4.1) datagram socket implementation could potentially expose applications using Unix domain datagram sockets with SO_PEERID operation and may lead to privilege escalation. IBM X-Force ID: 284903.

Published 2024-05-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.001 (3.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 3.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

IBM Aix — versions 7.2, 7.3, 7.2, 7.3, VIOS 3.1, VIOS 4.1
IBM Vios — versions 3.1, 4.1

Weakness classification (CWE)

CWE-266 — Incorrect Privilege Assignment

References

www.ibm.com/support/pages/node/7150297 (vendor-advisory, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/284903 (vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2024-27273?: CVE-2024-27273 is a high-severity vulnerability in IBM Aix, classified under Incorrect Privilege Assignment. CVSS score: 8.1/10. Published 2024-05-07.
How severe is CVE-2024-27273?: High severity. CVSS v3 base score is 8.1 out of 10.