Denial of Service Vulnerability in SpotFTP by NSAuditor
CVE-2020-37209

4.6MEDIUM

Key Information:

Vendor

Nsasoft

Status
Nsauditor Spotftp Ftp Password Recovery
Vendor
CVE Published:
11 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-37209?

SpotFTP version 3.0.0.0 is susceptible to a denial of service vulnerability that arises from improper handling of the registration name input. An attacker can exploit this flaw by entering a specially crafted 1000-character payload into the 'Name' input field, which may lead to an unexpected application crash. This behavior poses significant risks, particularly in environments where downtime can be detrimental to operations. Users of SpotFTP should implement necessary measures to mitigate this vulnerability.

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Affected Version(s)

Nsauditor SpotFTP FTP Password Recovery 3.0.0.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2020-37209 - Proof of Concept

References

https://www.exploit-db.com/exploits/47868
exploit
http://www.nsauditor.com/
product
https://www.vulncheck.com/advisories/spotftp-ftp-password...
third-party-advisory

CVSS V4

Score:
4.6
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ismail Tasdelen
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