CVE-2021-43394 — CRITICAL (9.8)

Vulnerability 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 Score

9.8

CRITICAL

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

Affected Products

Vendor	Product	Versions
Unisys	Messaging Integration Services	7r3b_ic3
Unisys	Clearpath 2200	-

Related Weaknesses (CWE)

CWE-287

References

https://public.support.unisys.com/common/public/vulnerability/NVD_Detail_Rpt.aspVendor Advisory
https://public.support.unisys.com/common/public/vulnerability/NVD_Detail_Rpt.aspVendor Advisory

FAQ

What is CVE-2021-43394?

CVE-2021-43394 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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.

How severe is CVE-2021-43394?

CVE-2021-43394 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-43394?

Check the references section above for vendor advisories and patch information. Affected products include: Unisys Messaging Integration Services, Unisys Clearpath 2200.