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TI-2023-27833 Aliases CVE-2023-50939GHSA-75gj-wpvg-hgcq

IBM PowerSC information Disclosure

Priority LOW 39CWE-327Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-327.

Summary

IBM PowerSC 1.3, 2.0, and 2.1 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 275129.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00337 27th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
IBMPowerSC1.3, 2.0, 2.1—No fix listedCNA
  • PowerSC VendorIBM Affected 1.3, 2.0, 2.1 Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:ibm:powersc:1.3:*:*:*:*:*:*:*1.3VulnerableIBM
cpe:2.3:a:ibm:powersc:2.0:*:*:*:*:*:*:*2.0VulnerableIBM
cpe:2.3:a:ibm:powersc:2.1:*:*:*:*:*:*:*2.1VulnerableIBM
  • cpe:2.3:a:ibm:powersc:1.3:*:*:*:*:*:*:* Versions 1.3 Vulnerable ·IBM
  • cpe:2.3:a:ibm:powersc:2.0:*:*:*:*:*:*:* Versions 2.0 Vulnerable ·IBM
  • cpe:2.3:a:ibm:powersc:2.1:*:*:*:*:*:*:* Versions 2.1 Vulnerable ·IBM

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-50939
  2. 2026-10-03 Alias added: GHSA-75gj-wpvg-hgcq

References

Patch 1

  • TI-2023-27834 IBM PowerSC cross-resource origin sharing CVSS 3.1CRITICAL 9.8
  • TI-2023-27525 IBM PowerSC information Disclosure CVSS 3.1HIGH 7.5
  • TI-2023-27831 IBM PowerSC information disclosure CVSS 3.1HIGH 7.5
  • TI-2023-27830 IBM PowerSC session fixation CVSS 3.1HIGH 8.8
  • TI-2023-27829 IBM PowerSC forced browsing CVSS 3.1MEDIUM 6.5
  • TI-2023-27853 IBM PowerSC information disclosure CVSS 3.1HIGH 7.5
See all 12 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences