CVE-2020-36880 Flexsense DiskBoss 'Reports and Data Directory' Buffer Overflow

High 8.6 Published 5 Dec 2025 Updated 7 Apr 2026

A local buffer overflow in Flexsense DiskBoss allows attackers to execute arbitrary code on the system.

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-2020-36880?

CVE-2020-36880 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 'Reports and Data Directory' field that allows an attacker to execute arbitrary code on the system.

Weakness: CWE-119

Which versions are affected by CVE-2020-36880?

It affects 1 product.

Products include Flexense Diskboss.

How do I fix CVE-2020-36880?

No fix has been published for CVE-2020-36880 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-2020-36880 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-36880 exists.

Sources

Also known as GHSA-54r2-66hp-mpw9.