CVE-2022-50689 Cobian Reflector 0.9.93 RC1 Local Denial of Service via Password Field
Attackers can crash Cobian Reflector by pasting a large buffer into the password field during SFTP configuration, causing a denial of service.
- 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-2022-50689?
CVE-2022-50689 is a medium-severity denial of service vulnerability in Cobiansoft Cobian Reflector, published on 22 Dec 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Cobian Reflector 0.9.93 RC1 contains a denial of service vulnerability that allows attackers to crash the application by overflowing the password input field. Attackers can paste a large 8000-byte buffer into the password field to trigger an application crash during SFTP task configuration.
Weakness: CWE-120
Which versions are affected by CVE-2022-50689?
It affects 1 product.
Products include Cobiansoft Reflector.
How do I fix CVE-2022-50689?
No fix has been published for CVE-2022-50689 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-2022-50689 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-50689 exists.
Sources
Also known as GHSA-54rp-72w5-jjq7.