What is CVE-2023-50936?

CVE-2023-50936 is a medium-severity vulnerability in IBM Powersc, classified under Insufficient Session Expiration. CVSS score: 6.3/10. Published 2024-02-02.

How severe is CVE-2023-50936?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Vulnerability in IBM Powersc

CVE-2023-50936

IBM PowerSC 1.3, 2.0, and 2.1 does not invalidate session after logout which could allow an authenticated user to impersonate another user on the system. IBM X-Force ID: 275116.

Published 2024-02-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.004 (29.6th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 29.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

IBM Powersc — versions 2.0, 1.3, 1.3, 2.0, 2.1

Weakness classification (CWE)

CWE-613 — Insufficient Session Expiration

References

www.ibm.com/support/pages/node/7113759 (vendor-advisory, Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/275116 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2023-50936?: CVE-2023-50936 is a medium-severity vulnerability in IBM Powersc, classified under Insufficient Session Expiration. CVSS score: 6.3/10. Published 2024-02-02.
How severe is CVE-2023-50936?: Medium severity. CVSS v3 base score is 6.3 out of 10.