Denial of Service Vulnerability in Core FTP LE by Core FTP
CVE-2020-37107

6.7MEDIUM

Key Information:

Vendor

Core Ftp

Status
Core Ftp Le
Vendor
CVE Published:
6 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-37107?

Core FTP LE 2.2 is susceptible to a denial of service attack that can render the application inoperable. By exploiting this vulnerability, an attacker can enter an excessively large buffer into the account field, causing the application to freeze and necessitate reinstallation to restore functionality. This issue highlights the importance of input validation to prevent such exploits.

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Deploy the Patch

Affected Version(s)

Core FTP LE 2.2 build 1947

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-2020-37107 - Proof of Concept

References

https://www.exploit-db.com/exploits/48137
exploit
http://www.coreftp.com/
product
http://www.coreftp.com/download.html
product

CVSS V4

Score:
6.7
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Local
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

Ismael Nava
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