What is the CVSS score of CVE-2020-37209?

CVE-2020-37209 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.0%.

Which versions of Spotftp are affected by CVE-2020-37209?

SpotFTP 3.0.0.0 contains a denial of service vulnerability that allows attackers to crash the application by submitting oversized input to the registration name field.

Is there a public PoC exploit available for CVE-2020-37209?

Yes, a public proof-of-concept exploit is available for CVE-2020-37209. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2020-37209?

Within 24 hours: Inventory all systems running SpotFTP 3.0.0.0 and assess exposure; document which business processes depend on this service. Within 7 days: Implement input validation controls (WAF rules limiting name field to 255 characters maximum) and network segmentation to restrict SpotFTP access to trusted users only; monitor for suspicious registration attempts. Within 30 days: Contact vendor for patch timeline; evaluate alternative FTP solutions or upgrade to newer SpotFTP versions if available; establish formal incident response procedures for DoS scenarios.

Spotftp CVE-2020-37209

HIGH

Classic Buffer Overflow (CWE-120)

2026-02-11 disclosure@vulncheck.com

Denial Of Service Spotftp

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:02 vuln.today

PoC Detected

Feb 20, 2026 - 20:20 vuln.today

Public exploit code

CVE Published

Feb 11, 2026 - 21:16 nvd

HIGH 7.5

DescriptionCVE.org

SpotFTP 3.0.0.0 contains a denial of service vulnerability in the registration name input field that allows attackers to crash the application. Attackers can generate a 1000-character buffer payload and paste it into the 'Name' field to trigger an application crash.

AnalysisAI

Technical ContextAI

Classified as CWE-120 (Classic Buffer Overflow). Affects Spotftp. SpotFTP 3.0.0.0 contains a denial of service vulnerability in the registration name input field that allows attackers to crash the application. Attackers can generate a 1000-character buffer payload and paste it into the 'Name' field to trigger an application crash.

RemediationAI

Monitor vendor advisories for a patch. Enable ASLR, DEP/NX, and stack canaries where possible. Restrict network access to the affected service where possible.

CVE-2020-37209 vulnerability details – vuln.today

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Spotftp CVE-2020-37209

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code