CVE-2023-40044

Progress WS_FTP Server Deserialization of Untrusted Data Vulnerability

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

Yes

*KEV

Decision

*SSVC

Descriptions

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.

En las versiones del servidor WS_FTP anteriores a la 8.7.4 y 8.8.2, un atacante previamente autenticado podría aprovechar una vulnerabilidad de deserialización de .NET en el módulo Ad Hoc Transfer para ejecutar comandos remotos en el sistema operativo subyacente del servidor WS_FTP.

Progress WS_FTP Server contains a deserialization of untrusted data vulnerability in the Ad Hoc Transfer module that allows an authenticated attacker to execute remote commands on the underlying operating system.

*Credits: Shubham Shah - Assetnote, Sean Yeoh - Assetnote

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2023-08-08 CVE Reserved
2023-09-27 CVE Published
2023-10-02 First Exploit
2023-10-05 Exploited in Wild
2023-10-26 KEV Due Date
2024-08-02 CVE Updated
2024-10-03 EPSS Updated

CWE

CWE-502: Deserialization of Untrusted Data

CAPEC

CAPEC-586: Object Injection

References (10)

URL	Tag	Source
https://attackerkb.com/topics/bn32f9sNax/cve-2023-40044	Third Party Advisory
https://censys.com/cve-2023-40044	Third Party Advisory
https://www.rapid7.com/blog/post/2023/09/29/etr-critical-vulnerabilities-in-ws_ftp-server	Third Party Advisory
https://www.theregister.com/2023/10/02/ws_ftp_update	Third Party Advisory
https://attackerkb.com/topics/bn32f9sNax/cve-2023-40044/rapid7-analysis

URL	Date	SRC
https://github.com/kenbuckler/WS_FTP-CVE-2023-40044	2023-10-02
http://packetstormsecurity.com/files/174917/Progress-Software-WS_FTP-Unauthenticated-Remote-Code-Execution.html	2024-08-02
https://www.assetnote.io/resources/research/rce-in-progress-ws-ftp-ad-hoc-via-iis-http-modules-cve-2023-40044	2024-08-02

URL	Date	SRC

URL	Date	SRC
https://community.progress.com/s/article/WS-FTP-Server-Critical-Vulnerability-September-2023	2023-09-27
https://www.progress.com/ws_ftp	2023-10-13

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Progress Search vendor "Progress"		Ws Ftp Server Search vendor "Progress" for product "Ws Ftp Server"				< 8.7.4 Search vendor "Progress" for product "Ws Ftp Server" and version " < 8.7.4"		-		Affected
Progress Search vendor "Progress"		Ws Ftp Server Search vendor "Progress" for product "Ws Ftp Server"				>= 8.8 < 8.8.2 Search vendor "Progress" for product "Ws Ftp Server" and version " >= 8.8 < 8.8.2"		-		Affected