CVE-2020-37198 Duplicate Cleaner Pro 4 - Denial of Service
Attackers can crash Duplicate Cleaner Pro by injecting an oversized buffer into the license key field, causing a denial of service.
- 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-2020-37198?
CVE-2020-37198 is a medium-severity denial of service vulnerability in DigitalVolcano Software Duplicate Cleaner Pro, published on 11 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
Duplicate Cleaner Pro 4.1.3 contains a denial of service vulnerability that allows attackers to crash the application by injecting an oversized buffer into the license key field. Attackers can generate a 6000-byte payload and paste it into the license activation field to trigger an application crash.
Weakness: CWE-121
Which versions are affected by CVE-2020-37198?
How do I fix CVE-2020-37198?
No fix has been published for CVE-2020-37198 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-2020-37198 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-37198 exists.
Sources
Also known as GHSA-vf6g-mr63-q5rh.