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CVE-2020-37209

Nsasoft Spotftp buffer overflow

7.5 HIGHPublic exploitEPSS 0.33%
  1. Published11 Feb 2026

Description

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

Nsasoft Spotftp3.0.0.0

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2020-37209 being actively exploited?

CVE-2020-37209 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.33%.

How severe is CVE-2020-37209?

CVE-2020-37209 has a CVSS 3.1 base score of 7.5, rated high. EPSS estimates a 0.33% probability of exploitation.

Which products are affected by CVE-2020-37209?

Affected products include Nsasoft Spotftp.

How do I fix CVE-2020-37209?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2020-37209 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.