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Critical severity9.8NVD Advisory· Published Jan 24, 2022· Updated Jun 17, 2026

CVE-2021-43394

CVE-2021-43394

Description

Unisys OS 2200 Messaging Integration Services (NTSI) 7R3B IC3 and IC4, 7R3C, and 7R3D has an Incorrect Implementation of an Authentication Algorithm. An LDAP password is not properly validated.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

6
  • Unisys/Messaging Integration Services4 versions
    cpe:2.3:a:unisys:messaging_integration_services:7r3b_ic3:*:*:*:*:*:*:*+ 3 more
    • cpe:2.3:a:unisys:messaging_integration_services:7r3b_ic3:*:*:*:*:*:*:*
    • cpe:2.3:a:unisys:messaging_integration_services:7r3b_ic4:*:*:*:*:*:*:*
    • cpe:2.3:a:unisys:messaging_integration_services:7r3c:*:*:*:*:*:*:*
    • cpe:2.3:a:unisys:messaging_integration_services:7r3d:*:*:*:*:*:*:*
  • Unisys/OS 2200 Messaging Integration Services (NTSI)description
  • Unisys/OS 2200 Messaging Integration Services (NTSI)llm-fuzzy

Patches

Vulnerability mechanics

References

1

News mentions

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