CVE-2020-37122

HIGH

SpotFTP-FTP Password Recover <2.4.8 - DoS

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2020-37122. PoCs published by Ismael Nava.

AI-analyzed exploit summary This exploit generates a buffer overflow payload to trigger a Denial of Service (DoS) in SpotFTP-FTP Password Recover 2.4.8 by overwriting a registration code field with a large string of 'Z' characters. The script creates a file containing the payload, which is then manually input into the target application.

Description

SpotFTP-FTP Password Recover 2.4.8 contains a denial of service vulnerability that allows attackers to crash the application by generating a large buffer overflow. Attackers can create a text file with 1000 'Z' characters and input it as a registration code to trigger the application crash.

Exploits (1)

exploitdb WORKING POC
by Ismael Nava · pythondoswindows
https://www.exploit-db.com/exploits/48132

This exploit generates a buffer overflow payload to trigger a Denial of Service (DoS) in SpotFTP-FTP Password Recover 2.4.8 by overwriting a registration code field with a large string of 'Z' characters. The script creates a file containing the payload, which is then manually input into the target application.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: SpotFTP-FTP Password Recover 2.4.8
No auth needed
Prerequisites: SpotFTP-FTP Password Recover 2.4.8 installed on target system · Ability to execute the script and manually input the payload
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Exploit, Third Party Advisory exploit
https://www.exploit-db.com/exploits/48132
Various Sources product
http://www.nsauditor.com/
Various Sources product
http://www.nsauditor.com/spotftp.html

Scores

CVSS v3 7.5
EPSS 0.0040
EPSS Percentile 31.7%
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-121
Status published
Products (1)
Nsauditor/FTP Password Recover 2.4.8
Published Feb 07, 2026
Tracked Since Feb 18, 2026