CVE-2021-20400

HIGH

IBM QRadar SIEM <7.4 - Info Disclosure

Title source: llm
STIX 2.1

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.

References (2)

Core 2
Core References
Patch, Vendor Advisory x_refsource_confirm
https://www.ibm.com/support/pages/node/6520488
VDB Entry, Vendor Advisory vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/196074

Scores

CVSS v3 7.5
EPSS 0.0066
EPSS Percentile 46.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-326
Status published
Products (3)
ibm/qradar_security_information_and_event_manager 7.3.3 (10 CPE variants)
ibm/qradar_security_information_and_event_manager 7.4.3 (4 CPE variants)
ibm/qradar_security_information_and_event_manager 7.3.0 - 7.3.3
Published Dec 01, 2021
Tracked Since Feb 18, 2026