CVE-2021-43394 Auth bypass in n/a
Attackers can bypass authentication in Unisys OS 2200 Messaging Integration Services due to improper LDAP password validation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-43394?
CVE-2021-43394 is a critical authentication bypass vulnerability in n/a, published on 24 Jan 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-287
Which versions are affected by CVE-2021-43394?
It affects 1 product.
Products include Unisys Messaging Integration Services.
How do I fix CVE-2021-43394?
No fix has been published for CVE-2021-43394 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2021-43394 being exploited?
There is no known exploitation of CVE-2021-43394 in the wild and no public exploit code.
Sources
Also known as GHSA-64j4-qxf4-rh6w.