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TI-2021-03666 Aliases CVE-2021-20391GHSA-xfq2-689p-9p2m

Insecure storage of sensitive information in IBM QRadar SIEM

Priority LOW 16CWE-922Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-922.

Summary

IBM QRadar User Behavior Analytics 1.0.0 through 4.1.0 allows web pages to be stored locally which can be read by another user on the system. IBM X-Force ID: 195999.

Why it matters now

EPSS 0.00249 16th 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
IBMQRadar SIEM1.0.0; 4.1.1—No fix listedCNA
  • QRadar SIEM VendorIBM Affected 1.0.0; 4.1.1 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:ibm:qradar_user_behavior_analytics:*:*:*:*:*:*:*:*1.0.0 to before 4.1.1VulnerableIBM
  • cpe:2.3:a:ibm:qradar_user_behavior_analytics:*:*:*:*:*:*:*:* Versions 1.0.0 to before 4.1.1 Vulnerable ·IBM

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-20391
  2. 2026-10-03 Alias added: GHSA-xfq2-689p-9p2m

References

Advisory 1

  • TI-2021-10433 Cross-site request forgery in IBM QRadar User Behavior Analytics CVSS 3.1HIGH 8.8
  • TI-2021-03668 Information disclosure through error messages in IBM QRadar SIEM CVSS 3.1HIGH 7.5
  • TI-2022-17012 Improper access control in IBM QRadar User Behavior Analytics CVSS 3.1MEDIUM 6.5
  • TI-2021-03667 Cross-site scripting in IBM QRadar SIEM CVSS 3.1MEDIUM 6.1
  • TI-2021-03700 Incorrect authorization in IBM QRadar SIEM CVSS 3.1MEDIUM 5.3

Sources

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