What is CVE-2023-32336?

CVE-2023-32336 is a high-severity vulnerability in IBM Aix, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2023-05-22.

How severe is CVE-2023-32336?

High severity. CVSS v3 base score is 8.8 out of 10.

Deserialization in IBM Aix

CVE-2023-32336

IBM InfoSphere Information Server 11.7 is affected by a remote code execution vulnerability due to insecure deserialization in an RMI service. IBM X-Force ID: 255285.

Vulnerability class: Insecure Deserialization

Published 2023-05-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.014 (72.1th percentile), scored 2026-10-20.

Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 72.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

IBM Aix
IBM Infosphere Information Server — versions 11.7
IBM Infosphere Information Server — versions 11.7
Linux Kernel
Microsoft Windows

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

www.ibm.com/support/pages/node/6995879 (vendor-advisory, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/255285 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2023-32336?: CVE-2023-32336 is a high-severity vulnerability in IBM Aix, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2023-05-22.
How severe is CVE-2023-32336?: High severity. CVSS v3 base score is 8.8 out of 10.