CVE-2020-37155

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.

Score

CVSS 3.1 7.5 High

Status

Deferred - disclosure@vulncheck.com

Published

2026-02-07

Last modified

2026-10-01

Weaknesses

CWE-120

Affected products

• Core Ftp (Coreftp)

References

• http://www.coreftp.com/
• https://www.exploit-db.com/exploits/48100
• https://www.vulncheck.com/advisories/core-ftp-lite-denial-of-service-poc