CVE-2021-34546 Auth bypass in n/a

Medium 6.8 Published Updated

An attacker with physical access can bypass authentication and execute arbitrary commands as SYSTEM via the log save feature when the pre-logon profile switch is enabled.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-34546?

CVE-2021-34546 is a medium-severity authentication bypass vulnerability in n/a, published on 10 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An unauthenticated attacker with physical access to a computer with NetSetMan Pro before 5.0 installed, that has the pre-logon profile switch button within the Windows logon screen enabled, is able to drop to an administrative shell and execute arbitrary commands as SYSTEM via the "save log to file" feature. To accomplish this, the attacker can navigate to cmd.exe.

Weakness: CWE-287

Which versions are affected by CVE-2021-34546?

It affects 1 product.

Products include Netsetman Netsetman.

How do I fix CVE-2021-34546?

No fix has been published for CVE-2021-34546 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-2021-34546 being exploited?

There is no known exploitation of CVE-2021-34546 in the wild and no public exploit code.

Sources

Also known as GHSA-7fm8-2jgx-v3jh.

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