CVE-2020-37194 Backup Key Recovery Recover Keys Crashed Hard Disk Drive 2.2.5 - 'Key' Denial of Service

Medium 4.6 Published Updated

Attackers can crash the Backup Key Recovery application by entering an overly long registration key, causing a denial of service.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2020-37194?

CVE-2020-37194 is a medium-severity denial of service vulnerability in Nsasoft Nsauditor Backup Key Recovery Recover Keys Crashed Hard Disk Drive, published on 11 Feb 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Backup Key Recovery 2.2.5 contains a denial of service vulnerability that allows attackers to crash the application by supplying an overly long registration key. Attackers can generate a 1000-character payload file and paste it into the registration key field to trigger an application crash.

Weakness: CWE-120

Which versions are affected by CVE-2020-37194?

How do I fix CVE-2020-37194?

No fix has been published for CVE-2020-37194 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2020-37194 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-37194 exists.

Sources

Also known as GHSA-w5c2-6978-qx5h.

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