CVE-2023-40044 Scanner.
WS_FTP Server - Insecure Deserialization
Free and read-only. Scan only sites you own or are allowed to test.
What This Check Does.
Read-only
It only asks your site for public pages, the way a browser would. Nothing is changed, uploaded or stored.
Up to 1 request
A small, fixed number of requests, so the check is quick and will not load your site.
Looks for CVE-2023-40044
It looks for the specific sign of this one vulnerability and ends with a clear answer: vulnerable, not vulnerable, or could not be determined.
About CVE-2023-40044. What It Means.
In WS_FTP Server versions prior to 8.7.4 and 8.8.2, a pre-authenticated attacker could leverage a .NET deserialization vulnerability in the Ad Hoc Transfer module to execute remote commands on the underlying WS_FTP Server operating system.
FAQ
Common Questions.
WS_FTP Server - Insecure Deserialization. In WS_FTP Server versions prior to 8.7.4 and 8.8.2, a pre-authenticated attacker could leverage a .NET deserialization vulnerability in the Ad Hoc Transfer module to execute remote commands on the underlying WS_FTP Server operating system.
Atlas sends up to 1 read-only request to your site and looks for the specific sign of CVE-2023-40044 in Progress WS FTP Server. Nothing is changed, uploaded or stored on your site.
Yes. CVE-2023-40044 is on the CISA Known Exploited Vulnerabilities list, which means attackers have used it against real targets.
Yes. The check only reads public pages, the same way a browser or a search engine would. Scan only sites you own or are allowed to test.
It means no sign of CVE-2023-40044 was found by this read-only check. It does not prove the site is free of other weaknesses.
Update Progress WS FTP Server to the latest version from the vendor, or follow the vendor's advice to switch off the affected feature. The vendor links and details are in the CVE-2023-40044 briefing linked on this page.
Scan only sites you own or have written permission to test. A result of Not Vulnerable means this read-only check found no sign of CVE-2023-40044; it is not a guarantee that the site is secure.