High severity7.5NVD Advisory· Published Dec 1, 2021· Updated Jun 17, 2026
CVE-2021-20400
CVE-2021-20400
Description
IBM QRadar SIEM 7.3 and 7.4 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 196074.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
27.3, 7.4+ 1 more
- (no CPE)range: 7.3, 7.4
- (no CPE)range: 7.3
Patches
Vulnerability mechanics
References
2- www.ibm.com/support/pages/node/6520488nvdPatchVendor Advisory
- exchange.xforce.ibmcloud.com/vulnerabilities/196074nvdVDB EntryVendor Advisory
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