CVE-2020-37155

HIGH

7.5

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.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published2/7/2026

Last Modified2/9/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-120

References

http://www.coreftp.com/(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/48100(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/core-ftp-lite-denial-of-service-poc(disclosure@vulncheck.com)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.