CVE-2020-37107

HIGH 7.5

Core FTP LE 2.2 - Denial of Service

CVSS Score

7.5

EPSS Score

0.0%

EPSS Percentile

0th

Core FTP LE 2.2 contains a denial of service vulnerability that allows attackers to crash the application by overwriting the account field with a large buffer. Attackers can create a text file with 20,000 repeated characters and paste it into the account field to cause the application to become unresponsive and require reinstallation.

CWE	CWE-120
Vendor	core ftp
Product	core ftp le
Published	Feb 6, 2026
Last Updated	Apr 7, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Affected Versions

Core FTP / Core FTP LE

2.2 build 1947

References

NVD ↗ CVE.org ↗ EPSS Data ↗

exploit-db.com: https://www.exploit-db.com/exploits/48137 coreftp.com: http://www.coreftp.com/ coreftp.com: http://www.coreftp.com/download.html vulncheck.com: https://www.vulncheck.com/advisories/core-ftp-le-denial-of-service

Credits

Ismael Nava