CVE-2021-47814

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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
http://www.nsauditor.com	Product
https://www.exploit-db.com/exploits/49964	Exploit Third Party Advisory
https://www.vulncheck.com/advisories/nbmonitor-denial-of-service-poc	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:nsasoft:nbmonitor:1.6.8:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-01-16 00:16

Updated : 2026-01-29 19:20

NVD link : CVE-2021-47814

Mitre link : CVE-2021-47814

CVE.ORG link : CVE-2021-47814

JSON object : View

Products Affected

nsasoft

nbmonitor

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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