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
- 2023-10-05
- Patch Due Date
- 2023-10-26
- Ransomware Use
- Known
Technical details
- Published
- 2023-09-27
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 2023-10-26.
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.
No credit card required · 500 free checks/month · Free API key
Other 2023 vulnerabilities worth triaging
Ranked by exploit probability (EPSS).