VulnerabilityModified

CVE-2021-43394

Unisys OS 2200 Messaging Integration Services (NTSI) 7R3B IC3 and IC4, 7R3C, and 7R3D has an Incorrect Implementation of an Authentication Algorithm.

CRITICAL 9.8EPSS 1.17%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.17%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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 3.1: 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 1.17% probability · 66th percentile
CISA KEV: Not listed
Weakness: CWE-287
Affected: unisys/messaging integration services
Source: cve@mitre.org

References

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

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.