CVE-2021-38874

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-04-27 · updated 2026-06-17

Description

IBM QRadar SIEM 7.3, 7.4, and 7.5 allows for users to access information across tenant and domain boundaries in some situations. IBM X-Force ID: 208397.

Affected products

IBM QRadar SIEM: from 7.3.0 before 7.3.3; from 7.4.0 before 7.4.3; 7.3.3, 7.3.3-fix_pack_1, 7.3.3-fix_pack_2, 7.3.3-fix_pack_3, 7.3.3-fix_pack_4, 7.3.3-fix_pack_5 (+9) — fixed in 7.3.3, 7.4.3

How to fix

Upgrade to a fixed version: IBM QRadar SIEM 7.3.3, 7.4.3. Check the vendor advisory for mitigations.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/208397
https://www.ibm.com/support/pages/node/6574787
https://exchange.xforce.ibmcloud.com/vulnerabilities/208397
https://www.ibm.com/support/pages/node/6574787

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