CVE intelligence and bounded remediation

CVE-2023-50934 — Ibm Powersc security vulnerability

Medium CVSS 5.3

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.

Severity
Medium
CVSS
5.3 (3.1)
Published
2024-02-02
CISA KEV
Not currently listed
Ecosystem
software/application
Weaknesses
CWE-308, CWE-287

Affected products

  • ibm / powersc / 1.3
  • ibm / powersc / 2.0
  • ibm / powersc / 2.1

Matched remediation archetype

Authentication bypass and missing authentication

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Check exposure

  • Map every affected endpoint and protocol path, including alternate ports, legacy routes, recovery flows, service accounts, and machine-to-machine access.
  • Confirm which deployments enable the affected authentication mode and whether the interface is reachable from untrusted networks.
  • Review session, token, credential, and proxy trust configuration without attempting account takeover.

Remediate safely

  • Apply the supported fix and centralize fail-closed authentication before protected request handling.
  • Remove default or embedded credentials, rotate affected secrets and sessions, and bind authentication decisions to the intended audience and channel.
  • Add negative tests for alternate routes, malformed or absent credentials, recovery flows, and proxy-derived identity.

Authoritative sources

Complete CVE record and remediation plan

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