WS_FTP Server Ad Hoc Transfer Module .NET Deserialization Vulnerability
CVE-2023-40044
Key Information:
- Vendor
- Progress Software
- Status
- Vendor
- CVE Published:
- 27 September 2023
Badges
Summary
A significant security vulnerability exists in the WS_FTP Server Ad Hoc Transfer module, affecting versions prior to 8.7.4 and 8.8.2. This vulnerability stems from improper .NET deserialization, allowing pre-authenticated attackers to execute arbitrary commands on the WS_FTP Server's operating system, potentially leading to unauthorized access and control over affected systems. Immediate action is recommended to mitigate risks associated with this severe flaw.
CISA Reported
CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed as being exploited and is known by the CISA as enabling ransomware campaigns.
The CISA's recommendation is: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Affected Version(s)
WS_FTP Server 8.8.0
WS_FTP Server 8.8.0 < 8.8.2
WS_FTP Server 8.7.0 < 8.7.4
Exploit Proof of Concept (PoC)
PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.
News Articles
WS_FTP flaw CVE-2023-40044 actively exploited in the wild
Experts warn of threat actors actively exploiting CVE-2023-40044 flaw in recently disclosed flaw in Progress Software’s WS_FTP products.
1 year ago
References
EPSS Score
86% chance of being exploited in the next 30 days.
CVSS V3.1
Timeline
- 💰
Used in Ransomware
- 🦅
CISA Reported
- 🟡
Public PoC available
- 👾
Exploit known to exist
- 📰
First article discovered by Security Affairs
Vulnerability published
Vulnerability Reserved