CVE-2021-43394

9.8 criticalEPSS 1.2%

Critical (9.8) in unisys messaging integration services. EPSS 1.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.2% chance of exploitation in the next 30 days; higher than 67% of CVEs (scores of 2026-10-31)
CWE: CWE-287
Published: 2022-01-24
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

unisys:messaging_integration_services

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

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