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

published January 24, 2022

CVSS
—
EPSS
1%
Percentile
67.2
In the wild
Unconfirmed
What it is

⚠️ A misstep in the authentication algorithm means passwords aren’t being properly validated in Unisys OS 2200 Messaging! This could open the door wider than you'd think! 🔓 Think of it like a restaurant that doesn’t check your reservation before seating you — you could waltz right into a VIP section without the necessary credentials! This vulnerability could allow unauthorized users to gain access to sensitive areas they shouldn’t, potentially compromising important data and operations. While no exploitation has been confirmed, this misconfiguration is still a sneaky risk waiting to be addressed!

Put simply

Think of it like a restaurant that doesn’t check your reservation before seating you — you could waltz right into a VIP section without the necessary credentials! The vulnerability in the Unisys OS 2200 Messaging Integration Services occurs due to an incorrect implementation of an authentication algorithm, failing to validate LDAP passwords properly.

What to do

This vulnerability could allow unauthorized users to gain access to sensitive areas they shouldn’t, potentially compromising important data and operations. While no exploitation has been confirmed, this misconfiguration is still a sneaky risk waiting to be addressed! To mitigate this risk, review and patch the affected versions 7R3B IC3 and IC4, 7R3C, and 7R3D. Ensure that authentication algorithms are correctly implemented and validate all user credentials thoroughly. Keep your systems regularly updated! You’ve got this! Addressing this issue will help secure your environment and keep those unauthorized guests out! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01169 · 67.2th percentile
Published
2022-01-24T21:15Z
EPSS history
Timeline
  • 24 JAN 21:15Z
    Unisys OS 2200 Messaging Integration Services (NTSI) 7R3B IC3 and IC4, 7R3C, and 7R3D has an Incorrect Implementation of an Authentication Algorithm
    cvelistv5