CVE-2021-47893 AgataSoft PingMaster Pro 2.1 - Denial of Service
Attackers can crash AgataSoft PingMaster Pro by overflowing the host name field in the Trace Route feature, causing application instability.
- 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-2021-47893?
CVE-2021-47893 is a medium-severity denial of service vulnerability in AgataSoft PingMaster Pro, published on 23 Jan 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
AgataSoft PingMaster Pro 2.1 contains a denial of service vulnerability in the Trace Route feature that allows attackers to crash the application by overflowing the host name input field. Attackers can generate a 10,000-character buffer and paste it into the host name field to trigger an application crash and potential system instability.
Weakness: CWE-770
Which versions are affected by CVE-2021-47893?
How do I fix CVE-2021-47893?
No fix has been published for CVE-2021-47893 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-2021-47893 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-47893 exists.
Sources
Also known as GHSA-93fx-gjwg-53fj.