CVE-2021-20337 : IBM QRadar SIEM 7.3.0 to 7.3.3 Patch 8 and 7.4.0 to 7.4.3 GA uses weaker than ex

IBM QRadar SIEM 7.3.0 to 7.3.3 Patch 8 and 7.4.0 to 7.4.3 GA uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 194448.

Published 2021-07-26 12:15:08

Updated 2022-07-12 17:42:04

Source IBM Corporation

View at NVD, CVE.org

Products affected by CVE-2021-20337

IBM » Qradar Security Information And Event Manager
Versions from including (>=) 7.3.0 and before (<) 7.3.3
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:*:*:*:*:*:*:*:*
Matching versions
When used together with: Linux » Linux Kernel » Version: N/A
IBM » Qradar Security Information And Event Manager
Versions from including (>=) 7.4.0 and before (<) 7.4.3
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:*:*:*:*:*:*:*:*
Matching versions
When used together with: Linux » Linux Kernel » Version: N/A
IBM » Qradar Security Information And Event Manager » Version: 7.3.3
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.3.3:-:*:*:*:*:*:*
Matching versions
When used together with: Linux » Linux Kernel » Version: N/A
IBM » Qradar Security Information And Event Manager » Version: 7.3.3 Update P1
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.3.3:p1:*:*:*:*:*:*
Matching versions
When used together with: Linux » Linux Kernel » Version: N/A
IBM » Qradar Security Information And Event Manager » Version: 7.3.3 Update P2
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.3.3:p2:*:*:*:*:*:*
Matching versions
When used together with: Linux » Linux Kernel » Version: N/A
IBM » Qradar Security Information And Event Manager » Version: 7.3.3 Update P3
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.3.3:p3:*:*:*:*:*:*
Matching versions
When used together with: Linux » Linux Kernel » Version: N/A
IBM » Qradar Security Information And Event Manager » Version: 7.3.3 Update P4
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.3.3:p4:*:*:*:*:*:*
Matching versions
When used together with: Linux » Linux Kernel » Version: N/A
IBM » Qradar Security Information And Event Manager » Version: 7.3.3 Update P5
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.3.3:p5:*:*:*:*:*:*
Matching versions
When used together with: Linux » Linux Kernel » Version: N/A
IBM » Qradar Security Information And Event Manager » Version: 7.3.3 Update P6
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.3.3:p6:*:*:*:*:*:*
Matching versions
When used together with: Linux » Linux Kernel » Version: N/A
IBM » Qradar Security Information And Event Manager » Version: 7.3.3 Update P7
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.3.3:p7:*:*:*:*:*:*
Matching versions
When used together with: Linux » Linux Kernel » Version: N/A
IBM » Qradar Security Information And Event Manager » Version: 7.4.3
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.4.3:-:*:*:*:*:*:*
Matching versions
When used together with: Linux » Linux Kernel » Version: N/A
IBM » Qradar Security Information And Event Manager » Version: 7.3.3 Update P8
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.3.3:p8:*:*:*:*:*:*
Matching versions
When used together with: Linux » Linux Kernel » Version: N/A
IBM » Qradar Security Information And Event Manager » Version: 7.4.3 Update Fix Pack 1
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.4.3:fix_pack_1:*:*:*:*:*:*
Matching versions
When used together with: Linux » Linux Kernel » Version: N/A
IBM » Qradar Security Information And Event Manager » Version: 7.4.3 Update Fix Pack 2
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.4.3:fix_pack_2:*:*:*:*:*:*
Matching versions
When used together with: Linux » Linux Kernel » Version: N/A
IBM » Qradar Security Information And Event Manager » Version: 7.4.3 Update Fix Pack 3
cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.4.3:fix_pack_3:*:*:*:*:*:*
Matching versions
When used together with: Linux » Linux Kernel » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2021-20337

EPSS FAQ

0.09%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 22 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-20337

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:P/I:N/A:N	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
5.9	MEDIUM	CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N	2.2	3.6	IBM Corporation
Attack Vector: Network Attack Complexity: High Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None

CWE ids for CVE-2021-20337

CWE-327 Use of a Broken or Risky Cryptographic Algorithm

The product uses a broken or risky cryptographic algorithm or protocol.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-20337

https://www.ibm.com/support/pages/node/6474847

Security Bulletin: IBM QRadar SIEM uses weaker than expected cryptographic algorithms (CVE-2021-20337)
Patch;Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/194448

IBM QRadar SIEM information disclosure CVE-2021-20337 Vulnerability Report
VDB Entry;Vendor Advisory

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Vulnerability Details : CVE-2021-20337

Products affected by CVE-2021-20337

Exploit prediction scoring system (EPSS) score for CVE-2021-20337

CVSS scores for CVE-2021-20337

CWE ids for CVE-2021-20337

References for CVE-2021-20337