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CVE-2021-29755

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-07-20 · updated 2026-06-17
Weakness: CWE-295

Description

IBM QRadar SIEM 7.3, 7.4, and 7.5 does not preform proper certificate validation for some inter-host communications. IBM X-Force ID: 202015.

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_10, 7.3.3-fix_pack_11, 7.3.3-fix_pack_2, 7.3.3-fix_pack_3 (+13) — 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

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