Description

WS_FTP Ad Hoc Transfer (WS_FTP) is an IIS data transfer module. WS_FTP WS_FTP uses .NET deserialization of user-supplied data. Arbitrary object deserialization is inherently unsafe, and should never be performed on untrusted data.

Remediation

Upgrade to the latest version of WS_FTP

References

WS_FTP Server Critical Vulnerability - (September 2023)

RCE in Progress WS_FTP Ad Hoc via IIS HTTP Modules (CVE-2023-40044)

Related Vulnerabilities

Apache Shiro Deserialization RCE

SAP BO BIP SSRF (CVE-2020-6308)

TorchServe Management API SSRF (CVE-2023-43654)

XSLT injection

Oracle Business Intelligence ReportTemplateService XXE (CVE-2021-2400)

Severity

Critical

Classification

CVE-2023-40044 CWE-502 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Tags

Insecure Deserialization Acumonitor