CVE-2020-37155

HIGH

Core FTP Lite 1.3 - Buffer Overflow

Title source: llm

Description

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.

Exploits (1)

exploitdb WORKING POC

by berat isler · pythondoswindows

https://www.exploit-db.com/exploits/48100

View Code ZIP pw:eip

References (3)

[Exploit, Third Party Advisory] https://www.exploit-db.com/exploits/48100

[Various Sources] http://www.coreftp.com/

[Third Party Advisory] https://www.vulncheck.com/advisories/core-ftp-lite-denial-of-service-poc

Scores

CVSS v3 7.5

EPSS 0.0001

EPSS Percentile 2.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact partial

Details

CWE

CWE-120

Status published

Products (1)

Core FTP/Core FTP Lite 1.3c Build 1437

Published Feb 07, 2026

Tracked Since Feb 18, 2026