What is CVE-2023-50934?

CVE-2023-50934 is a medium-severity vulnerability in IBM Powersc, classified under Use of Single-factor Authentication. CVSS score: 5.3/10. Published 2024-02-02.

How severe is CVE-2023-50934?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Auth bypass in IBM Powersc

CVE-2023-50934

IBM PowerSC 1.3, 2.0, and 2.1 uses single-factor authentication which can lead to unnecessary risk of compromise when compared with the benefits of a dual-factor authentication scheme. IBM X-Force ID: 275114.

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

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (36.8th percentile), scored 2026-10-19.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 36.8% 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)

References

www.ibm.com/support/pages/node/7113759 (vendor-advisory, Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/275114 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2023-50934?: CVE-2023-50934 is a medium-severity vulnerability in IBM Powersc, classified under Use of Single-factor Authentication. CVSS score: 5.3/10. Published 2024-02-02.
How severe is CVE-2023-50934?: Medium severity. CVSS v3 base score is 5.3 out of 10.