Is CVE-2023-40044 actively exploited?

Yes. CVE-2023-40044 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2023-40044 be exploited remotely?

The attack vector of CVE-2023-40044 has not been classified yet.

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

CVE-2023-40044 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2023-40044

HIGHCISA KEVIN THE WILD

CVE-2023-40044

Published: October 5, 2023

EPSS:94.45%probability of exploitation in 30 daysPercentile:100.0th

Official Description

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.

NVD Source

CISA KEV Advisory

Progress WS_FTP Server Deserialization of Untrusted Data Vulnerability

Added to KEV: 2023-10-05Federal patch deadline: 2023-10-26⚠ USED IN RANSOMWARE CAMPAIGNS

Required Action (CISA)

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Risk Analysis

Progress WS_FTP Server's Ad Hoc Transfer module contains a deserialization of untrusted data vulnerability, allowing an authenticated attacker to execute remote commands on the underlying operating system. The high EPSS score of 0.94449 indicates a very high likelihood of exploitation, making this a critical vulnerability. It is confirmed to be actively exploited.

Active exploitation of this vulnerability has been observed in the wild, and it is listed in CISA's KEV catalog. Exploitation requires prior authentication.

Recommended Action

Apply the latest security patches from Progress for WS_FTP Server to address this deserialization vulnerability. Ensure that user accounts for the Ad Hoc Transfer module have minimal necessary privileges.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-40044 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2023-40044 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.