CVE-2021-47814

HIGH

7.5

Description

NBMonitor 1.6.8 contains a denial of service vulnerability that allows attackers to crash the application by overflowing the registration code input field. Attackers can paste a 256-character buffer into the registration key field to trigger an application crash and potential system instability.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published1/16/2026

Last Modified1/29/2026

Sourcenvd

Honeypot Sightings0

Affected Products

nsasoft:nbmonitor

Weaknesses (CWE)

CWE-120

References

http://www.nsauditor.com(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/49964(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/nbmonitor-denial-of-service-poc(disclosure@vulncheck.com)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.