CVE-2021-43394

CRITICAL

Unisys OS 2200 Messaging Integration Services - Auth Bypass

Title source: llm
STIX 2.1

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.

References (1)

Core 1

Scores

CVSS v3 9.8
EPSS 0.0117
EPSS Percentile 63.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-287
Status published
Products (4)
unisys/messaging_integration_services 7r3b_ic3
unisys/messaging_integration_services 7r3b_ic4
unisys/messaging_integration_services 7r3c
unisys/messaging_integration_services 7r3d
Published Jan 24, 2022
Tracked Since Feb 18, 2026