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TI-2021-03779 Aliases CVE-2021-20538GHSA-r4xw-2898-q2r3

Incorrect authorization in IBM Cloud Pak for Security

Priority MEDIUM 41CWE-863Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-863.

Summary

IBM Cloud Pak for Security (CP4S) 1.5.0.0 and 1.5.0.1 could allow a user to obtain sensitive information or perform actions they should not have access to due to incorrect authorization mechanisms. IBM X-Force ID: 198919.

Why it matters now

EPSS 0.00737 54th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
IBMCloud Pak for Security1.5.0.1; 1.5.0.0—No fix listedCNA
  • Cloud Pak for Security VendorIBM Affected 1.5.0.1; 1.5.0.0 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:ibm:cloud_pak_for_security:1.5.0.0:*:*:*:*:*:*:*1.5.0.0VulnerableIBM
cpe:2.3:a:ibm:cloud_pak_for_security:1.5.0.1:*:*:*:*:*:*:*1.5.0.1VulnerableIBM
  • cpe:2.3:a:ibm:cloud_pak_for_security:1.5.0.0:*:*:*:*:*:*:* Versions 1.5.0.0 Vulnerable ·IBM
  • cpe:2.3:a:ibm:cloud_pak_for_security:1.5.0.1:*:*:*:*:*:*:* Versions 1.5.0.1 Vulnerable ·IBM

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-20538
  2. 2026-10-03 Alias added: GHSA-r4xw-2898-q2r3

References

Advisory 1

  • TI-2021-03811 Improper authentication in IBM Cloud Pak for Security CVSS 3.1CRITICAL 9.8
  • TI-2025-18700 IBM QRadar Suite Software and IBM Cloud Pak for Security information disclosure CVSS 3.1CRITICAL 9.6
  • TI-2020-03940 CSV injection in IBM Cloud Pak for Security CVSS 3.1CRITICAL 9.0
  • TI-2022-18013 OS command injection in IBM Cloud Pak for Security CVSS 3.1HIGH 8.8
  • TI-2023-25855 IBM QRadar Suite improper input validation CVSS 3.1HIGH 8.8
  • TI-2022-18011 Improper input validation in IBM Cloud Pak for Security CVSS 3.1HIGH 8.1
See all 52 →

Sources

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