CVE-2021-20337
First published: Wed Jul 21 2021(Updated: )
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.
Credit: psirt@us.ibm.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| IBM QRadar Security Information and Event Manager | >=7.3.0<7.3.3 | |
| IBM QRadar Security Information and Event Manager | >=7.4.0<7.4.3 | |
| IBM QRadar Security Information and Event Manager | =7.3.3 | |
| IBM QRadar Security Information and Event Manager | =7.3.3-p1 | |
| IBM QRadar Security Information and Event Manager | =7.3.3-p2 | |
| IBM QRadar Security Information and Event Manager | =7.3.3-p3 | |
| IBM QRadar Security Information and Event Manager | =7.3.3-p4 | |
| IBM QRadar Security Information and Event Manager | =7.3.3-p5 | |
| IBM QRadar Security Information and Event Manager | =7.3.3-p6 | |
| IBM QRadar Security Information and Event Manager | =7.3.3-p7 | |
| IBM QRadar Security Information and Event Manager | =7.3.3-p8 | |
| IBM QRadar Security Information and Event Manager | =7.4.3 | |
| IBM QRadar Security Information and Event Manager | =7.4.3-fix_pack_1 | |
| IBM QRadar Security Information and Event Manager | =7.4.3-fix_pack_2 | |
| IBM QRadar Security Information and Event Manager | =7.4.3-fix_pack_3 | |
| Linux Linux kernel |
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Reference Links
Frequently Asked Questions
What is vulnerability ID CVE-2021-20337?
CVE-2021-20337 is a vulnerability in IBM QRadar SIEM that uses weaker than expected cryptographic algorithms, allowing an attacker to decrypt sensitive information.
What is the severity of vulnerability CVE-2021-20337?
The severity of vulnerability CVE-2021-20337 is high with a CVSS score of 7.5.
Which versions of IBM QRadar are affected by CVE-2021-20337?
IBM QRadar SIEM versions 7.3.0 to 7.3.3 Patch 8 and 7.4.0 to 7.4.3 GA are affected by CVE-2021-20337.
How can an attacker exploit vulnerability CVE-2021-20337?
An attacker can exploit vulnerability CVE-2021-20337 by using weaker than expected cryptographic algorithms to decrypt highly sensitive information.
How can I mitigate vulnerability CVE-2021-20337?
To mitigate vulnerability CVE-2021-20337, update IBM QRadar SIEM to version 7.3.3 Patch 9 or higher, or version 7.4.3 GA Patch 4 or higher.
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- version/ibm qradar security information and event manager/7.4.0
- version/ibm qradar security information and event manager/7.3.3
- version/ibm qradar security information and event manager/7.3.3-p1
- version/ibm qradar security information and event manager/7.3.3-p2
- version/ibm qradar security information and event manager/7.3.3-p3
- version/ibm qradar security information and event manager/7.3.3-p4
- version/ibm qradar security information and event manager/7.3.3-p5
- version/ibm qradar security information and event manager/7.3.3-p6
- version/ibm qradar security information and event manager/7.3.3-p7
- version/ibm qradar security information and event manager/7.3.3-p8
- version/ibm qradar security information and event manager/7.4.3
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- version/ibm qradar security information and event manager/7.4.3-fix_pack_2
- version/ibm qradar security information and event manager/7.4.3-fix_pack_3
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