CVE-2020-37155: Core FTP Lite 1.3 - Denial of Service (PoC)

Published Feb 6, 2026
·
Updated

Core FTP Lite 1.3 contains a buffer overflow vulnerability in the username input field that allows attackers to crash the application by supplying oversized input. Attackers can generate a 7000-byte payload of repeated 'A' characters to trigger an application crash without requiring additional interaction.

Affected Software

1 affected component
Core FTP Core FTP Lite

Event History

Feb 6, 2026
CVE Published
via MITRE·11:14 PM
Data Sourced
via MITRE·11:14 PM
DescriptionSeverityWeakness
Feb 7, 2026
Data Sourced
via NVD·12:15 AM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2020-37155?

CVE-2020-37155 has a severity rating that indicates a potential denial of service threat due to a buffer overflow vulnerability.

2

How do I fix CVE-2020-37155?

To fix CVE-2020-37155, you should update to the latest version of Core FTP Lite that addresses this buffer overflow vulnerability.

3

What type of vulnerability is CVE-2020-37155?

CVE-2020-37155 is classified as a denial of service vulnerability caused by a buffer overflow in the username input field.

4

Which software is affected by CVE-2020-37155?

CVE-2020-37155 affects Core FTP Lite version 1.3.

5

What can an attacker do with CVE-2020-37155?

An attacker can exploit CVE-2020-37155 by supplying oversized input to crash the Core FTP Lite application.

Contact

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