CVE-2021-43394

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-01-24 · updated 2026-06-17
Weakness: CWE-287

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.

Affected products

Unisys Messaging Integration Services: 7r3b_ic3, 7r3b_ic4, 7r3c, 7r3d

References

https://public.support.unisys.com/common/public/vulnerability/NVD_Detail_Rpt.aspx?ID=66
https://public.support.unisys.com/common/public/vulnerability/NVD_Detail_Rpt.aspx?ID=66

Get alerted when CVE-2021-43394 or the next vulnerability affects your stack