CVE-2020-37155 - CVE House
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Status published Medium CVE-2020-37155

Core FTP Lite 1.3 - Denial of Service (PoC)

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Berat Isler

References

More from Core FTP

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CVE-2020-37107
Core FTP LE 2.2 - Denial of Service
Medium 6.7

Affected Vendor

Affected Software

Core FTP Lite
Vulnerable Versions:
1.3c Build 1437

Timeline

Official Publish: February 6th, 2026
Last Modified: February 17th, 2026
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

CWE-120

MITRE ATT&CK TTPs

T1203 Exploitation for Client Execution
Execution
T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1055 Process Injection
Defense Evasion
T1105 Ingress Tool Transfer
Command and Control