Security Bulletin
Summary
Resilient supports TLS1.2 ciphers that are not enabled for Perfect Forward Secrecy (PFS). Such ciphers could allow an attacker who has recorded encrypted traffic and later obtains the server's key to decrypt highly sensitive information.
Vulnerability Details
CVEID: CVE-2021-20566
DESCRIPTION: IBM Resilient OnPrem uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/199238 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)
Affected Products and Versions
| Affected Product(s) | Version(s) |
| Resilient OnPrem | IBM Security SOAR |
Remediation/Fixes
Users must upgrade to v41.0 of IBM Security SOAR (previously known as IBM Resilient) in order to obtain a fix for this vulnerability. Only TLS1.2 ciphers enabled for Perfect Forward Secrecy (PFS) are enabled.
You can upgrade the platform by following the instructions in the "Upgrade Procedure" section in the IBM Resilient Security Orchestration, Automation and Response Platform documentation.
Workarounds and Mitigations
None
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References
Change History
08 Jun 2021: Initial Publication
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Document Location
Worldwide
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Document Information
Modified date:
15 June 2021
UID
ibm16464043