CVE-2021-38121: Weak communication protocol identified in Advance Authentication client application

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-08-28 · updated 2026-06-17
Weakness: CWE-326

Description

Insufficient or weak TLS protocol version identified in Advance authentication client server communication when specific service is accessed between devices. This issue affects NetIQ Advance Authentication versions before 6.3.5.1

Affected products

OpenText NetIQ Advance Authentication: before 6.3; 6.3, 6.3-sp1, 6.3-sp2, 6.3-sp3, 6.3-sp4, 6.3-sp4_patch1 (+1) — fixed in 6.3

How to fix

Upgrade to a fixed version: OpenText NetIQ Advance Authentication 6.3. Check the vendor advisory for mitigations.

References

https://www.netiq.com/documentation/advanced-authentication-63/advanced-authentication-releasenotes-6351/data/advanced-authentication-releasenotes-6351.html

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