CVE-2020-37139 Odin Secure FTP Expert 7.6.3 - 'Site Info' Denial of Service
Local attackers can crash Odin Secure FTP Expert by pasting excessive characters into site information fields, causing a buffer overflow.
- 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-2020-37139?
CVE-2020-37139 is a medium-severity denial of service vulnerability in Odin-Secure-Ftp-Expert Odin Secure FTP Expert, published on 5 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
Odin Secure FTP Expert 7.6.3 contains a local denial of service vulnerability that allows attackers to crash the application by manipulating site information fields. Attackers can generate a buffer overflow by pasting 108 bytes of repeated characters into connection fields, causing the application to crash.
Weakness: CWE-770
Which versions are affected by CVE-2020-37139?
How do I fix CVE-2020-37139?
No fix has been published for CVE-2020-37139 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-2020-37139 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-37139 exists.
Sources
Also known as GHSA-7cgm-4792-6mm2.