CVE-2020-36879 Flexsense DiskBoss Service Unquoted Service Path Vulnerability

High 8.5 Published Updated

Unauthenticated attackers can achieve remote code execution with elevated privileges via an unquoted service path vulnerability in Flexsense DiskBoss.

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-2020-36879?

CVE-2020-36879 is a high-severity vulnerability in Flexsense DiskBoss, published on 5 Dec 2025. 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

Flexsense DiskBoss 11.7.28 allows unauthenticated attackers to elevate their privileges using any of its services, enabling remote code execution during startup or reboot with escalated privileges. Attackers can exploit the unquoted service path vulnerability by specifying a malicious service name in the 'sc qc' command, allowing them to execute arbitrary system commands.

Weakness: CWE-428

Which versions are affected by CVE-2020-36879?

How do I fix CVE-2020-36879?

No fix has been published for CVE-2020-36879 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-36879 being exploited?

There is no known exploitation of CVE-2020-36879 in the wild and no public exploit code.

Sources

Also known as GHSA-jcmj-4x77-vhpr.

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