Vulnerability Report

CVE-2023-40044

RCE CISA KEV Active

Title: Progress Ws Ftp Server RCE

RCE

Proof Of Concept

PoC Available for CVE-2023-40044

CWE Category CWE-502
Published Date Sep 27, 2023
Modified Date Oct 31, 2025
Exploit Status Available
Score 10.0 CVSS v3.1
Exploit Probability (EPSS)
90.15%

Vulnerability Summary

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.

Impacted Vendors

P
progress 1
I
ipswitch 1

Reference Links

http://packetstormsecurity.com/files/174917/Progress-Software-WS_FTP-Unauthenticated-Remote-Code-Execution.html https://attackerkb.com/topics/bn32f9sNax/cve-2023-40044 https://censys.com/cve-2023-40044/ https://community.progress.com/s/article/WS-FTP-Server-Critical-Vulnerability-September-2023 https://www.assetnote.io/resources/research/rce-in-progress-ws-ftp-ad-hoc-via-iis-http-modules-cve-2023-40044 https://www.progress.com/ws_ftp https://www.rapid7.com/blog/post/2023/09/29/etr-critical-vulnerabilities-in-ws_ftp-server/ https://www.theregister.com/2023/10/02/ws_ftp_update/ http://packetstormsecurity.com/files/174917/Progress-Software-WS_FTP-Unauthenticated-Remote-Code-Execution.html https://attackerkb.com/topics/bn32f9sNax/cve-2023-40044 https://censys.com/cve-2023-40044/ https://community.progress.com/s/article/WS-FTP-Server-Critical-Vulnerability-September-2023 https://www.assetnote.io/resources/research/rce-in-progress-ws-ftp-ad-hoc-via-iis-http-modules-cve-2023-40044 https://www.progress.com/ws_ftp https://www.rapid7.com/blog/post/2023/09/29/etr-critical-vulnerabilities-in-ws_ftp-server/ https://www.theregister.com/2023/10/02/ws_ftp_update/ https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-40044
CVSS v3.1
Source Entity [email protected]
Severity CRITICAL
10.0
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
CHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v3.1
Source Entity [email protected]
Severity HIGH
8.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2023-40044 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/getdrive/PoC
View Code
GitHub https://github.com/kenbuckler/WS_FTP-CVE-2023-40044
View Code
MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected Stack

No specific products linked.