TI-2023-27834 Aliases CVE-2023-50940 GHSA-f4w8-52pm-ghr9

IBM PowerSC cross-resource origin sharing

MEDIUM 48CWE-942Published 2024-02-02 · Updated 2024-08-02

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

IBM PowerSC 1.3, 2.0, and 2.1 uses Cross-Origin Resource Sharing (CORS) which could allow an attacker to carry out privileged actions and retrieve sensitive information as the domain name is not being limited to only trusted domains. IBM X-Force ID: 275130.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00456 39th 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

Vendor	Product	Affected versions	Fixed in	Status	Source
IBM	PowerSC	1.3, 2.0, 2.1	—	No fix listed	CNA

PowerSC VendorIBM Affected 1.3, 2.0, 2.1 Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:a:ibm:powersc:1.3:::::::*	1.3	Vulnerable	IBM
cpe:2.3:a:ibm:powersc:2.0:::::::*	2.0	Vulnerable	IBM
cpe:2.3:a:ibm:powersc:2.1:::::::*	2.1	Vulnerable	IBM

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 · 2024-02-02
IBM PowerSC — ibm.com/support/pages/node/7113759
12 records Highest priority Priority MEDIUM 2 MEDIUM, 10 LOW
Other records, highest priority first
- TI-2023-27525 IBM PowerSC information DisclosurePriority MEDIUM 40
- TI-2023-27831 IBM PowerSC information disclosurePriority LOW 39
- TI-2023-27830 IBM PowerSC session fixationPriority LOW 38
Show all 12 records → Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2023-50940
2026-10-03 Alias added: GHSA-f4w8-52pm-ghr9

References

Patch 1

https://www.ibm.com/support/pages/node/7113759

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-2023-27831 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