HIGH CISA KEV

CVE-2023-40044

CVSS v3

8.8

HIGH

EPSS Score

94.4%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

SSVC status

Description

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.

CISA Known Exploited Vulnerability

Date Added
10/5/2023
Patch Due Date
10/26/2023
Ransomware Use
Known

Technical details

Published
9/27/2023

Frequently asked questions

What is CVE-2023-40044?

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.

Is CVE-2023-40044 actively exploited?

Yes. CVE-2023-40044 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 10/26/2023.

What is the CVSS score for CVE-2023-40044?

CVE-2023-40044 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2023-40044 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.