CVE-2021-43394

CRITICAL
Published Jan 24, 20224y ago · Modified Jun 17, 20261w ago
9.8 CVSS 3.1
Critical
Find Similar
Published Jan 24, 2022 4y ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
9.8
Exploitability
3.9
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-287 Improper Authentication Authentication

Affected Products 5

VendorProductVersionRange
unisysmessaging_integration_services7r3b_ic3any
unisysmessaging_integration_services7r3b_ic4any
unisysmessaging_integration_services7r3cany
unisysmessaging_integration_services7r3dany
unisysclearpath_2200*any

References 1

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.