CVE-2020-36881 Flexsense DiskBoss 'Add Input Directory' Buffer Overflow

High 8.6 Published 5 Dec 2025 Updated 8 Dec 2025

Local attackers can execute arbitrary code by pasting a crafted path into the Add Input Directory field in Flexsense DiskBoss.

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-2020-36881?

CVE-2020-36881 is a high-severity memory corruption vulnerability in Flexsense DiskBoss, published on 5 Dec 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Flexsense DiskBoss 7.7.14 contains a local buffer overflow vulnerability in the 'Input Directory' component that allows unauthenticated attackers to execute arbitrary code on the system. Attackers can exploit this by pasting a specially crafted directory path into the 'Add Input Directory' field.

Weakness: CWE-119

Which versions are affected by CVE-2020-36881?

It affects 1 product.

Products include Flexense Diskboss.

How do I fix CVE-2020-36881?

No fix has been published for CVE-2020-36881 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2020-36881 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-36881 exists.

Sources

Also known as GHSA-w59w-3fq8-w77h.