CVE-2022-50687 Cobian Backup 11 Gravity 11.2.0.582 Local Denial of Service via Password Field
Attackers can crash Cobian Backup by pasting a large buffer into the FTP password field, causing a local 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-2022-50687?
CVE-2022-50687 is a medium-severity denial of service vulnerability in Cobiansoft Cobian Backup Gravity, 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 Backup 11 Gravity 11.2.0.582 contains a denial of service vulnerability in the FTP password input field that allows attackers to crash the application. Attackers can generate a specially crafted 800-byte buffer and paste it into the password field to trigger an application crash.
Weakness: CWE-120
Which versions are affected by CVE-2022-50687?
It affects 1 product.
Products include Cobiansoft Backup 11.
How do I fix CVE-2022-50687?
No fix has been published for CVE-2022-50687 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-2022-50687 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-50687 exists.
Sources
Also known as GHSA-2cfm-pf58-8m3h.