Denial of Service Vulnerability in Fetch FTP Client by Fetch Softworks
CVE-2022-50799

7.1HIGH

Key Information:

Vendor

Fetch Softworks

Status
Fetch Softworks Fetch Ftp Client
Vendor
CVE Published:
30 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2022-50799?

The Fetch FTP Client version 5.8.2 is susceptible to a denial of service vulnerability that enables attackers to cause complete CPU usage by sending lengthy server responses. This can be exploited by delivering specially designed FTP server responses that exceed 2K bytes in size, leading to excessive consumption of system resources and potentially causing the application to crash.

Affected Version(s)

Fetch Softworks Fetch FTP Client 5.8

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.

CVE-2022-50799 - Proof of Concept

References

https://www.exploit-db.com/exploits/50696
exploit
https://www.fetchsoftworks.com
product
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-56...
third-party-advisory

CVSS V4

Score:
7.1
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

LiquidWorm as Gjoko Krstic of Zero Science Lab
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CVE-2022-50799 : Denial of Service Vulnerability in Fetch FTP Client by Fetch Softworks