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TI-2023-27831 Aliases CVE-2023-50937GHSA-496r-wr54-46h8

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: 275117.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00318 24th 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.

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    IBM PowerSC — ibm.com/support/pages/node/7113759

    12 records Highest priority Priority MEDIUM 2 MEDIUM, 10 LOW

    Other records, highest priority first

    • TI-2023-27834 IBM PowerSC cross-resource origin sharingPriority MEDIUM 48
    • TI-2023-27525 IBM PowerSC information DisclosurePriority MEDIUM 40
    • TI-2023-27830 IBM PowerSC session fixationPriority LOW 38
    Show all 12 records → Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-50937
  2. 2026-10-03 Alias added: GHSA-496r-wr54-46h8

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-2023-27833 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