CVE-2020-37199

HIGH 7.5

NBMonitor 1.6.6.0 - 'Key' Denial of Service

CVSS Score

7.5

EPSS Score

0.0%

EPSS Percentile

0th

NBMonitor 1.6.6.0 contains a denial of service vulnerability in its registration key input that allows attackers to crash the application. Attackers can generate a 1000-character buffer payload and paste it into the 'Key' field to trigger an application crash.

CWE	CWE-120
Vendor	nsasoft
Product	nsauditor nbmonitor
Published	Feb 11, 2026
Last Updated	Mar 5, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Affected Versions

Nsasoft / Nsauditor NBMonitor

1.6.6.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

exploit-db.com: https://www.exploit-db.com/exploits/47866 nsauditor.com: http://www.nsauditor.com/ vulncheck.com: https://www.vulncheck.com/advisories/nbmonitor-key-denial-of-service

Credits

Ismail Tasdelen