Use of a broken or risky cryptographic algorithm in IBM Cloud Pak System - CVE-2021-20479

 

Use of a broken or risky cryptographic algorithm in IBM Cloud Pak System - CVE-2021-20479

Published: August 26, 2025


Vulnerability identifier: #VU114445
CSH Severity: High
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-20479
CWE-ID: CWE-327
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application. A remote attacker can gain unauthorized access to sensitive information on the system.


Affected software

IBM Cloud Pak System

How to mitigate CVE-2021-20479

Install updates from vendor's website.


External References

Related Security Bulletins