CVE-2020-37031 Simple Startup Manager 1.17 - 'File' Local Buffer Overflow
Attackers can execute arbitrary code locally by exploiting a buffer overflow in the File input parameter of Simple Startup Manager.
- 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-2020-37031?
CVE-2020-37031 is a high-severity memory corruption vulnerability in Ashkon Software Simple Startup Manager, published on 30 Jan 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Simple Startup Manager 1.17 contains a local buffer overflow vulnerability that allows attackers to execute arbitrary code by overwriting memory through the 'File' input parameter. Attackers can craft a malicious payload with 268 bytes to trigger code execution, bypassing DEP and overwriting memory addresses to launch calc.exe.
Weakness: CWE-787
Which versions are affected by CVE-2020-37031?
How do I fix CVE-2020-37031?
No fix has been published for CVE-2020-37031 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-2020-37031 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-37031 exists.
Sources
Also known as GHSA-5qx9-7gxr-8h58.