Authenticated Remote Code Execution Flaw in ZesleCP by Zesle
CVE-2021-47794

8.7HIGH

Key Information:

Vendor

Zeslecp

Status
Zeslecp
Vendor
CVE Published:
15 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2021-47794?

ZesleCP version 3.1.9 is susceptible to an authenticated remote code execution vulnerability that allows malicious users to create FTP accounts embedding shell injection payloads. This exploitation occurs through the FTP account creation endpoint, where attackers can inject reverse shell commands, establishing a connection to a user-defined listening host and potentially compromising the server.

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Affected Version(s)

ZesleCP <=3.1.9

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-2021-47794 - Proof of Concept

CVE-2021-47794 - Proof of Concept

References

https://www.exploit-db.com/exploits/50233
exploit
https://zeslecp.com/
product
https://www.youtube.com/watch?v=5lTDTEBVq-0
exploit

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Numan Türle
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