CVE-2021-47815

Nsauditor 3.2.3 contains a denial of service vulnerability in the registration code input field that allows attackers to crash the application. Attackers can paste a large buffer of 256 repeated characters into the 'Key' field to trigger an application crash.

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/49965	Exploit Third Party Advisory
https://www.vulncheck.com/advisories/nsauditor-denial-of-service-poc	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:nsasoft:nsauditor:3.2.3:*:*:*:*:*:*:*

History

21 Jan 2026, 21:54

Type	Values Removed	Values Added
References	~~() http://www.nsauditor.com -~~	() http://www.nsauditor.com - Product
References	~~() https://www.exploit-db.com/exploits/49965 -~~	() https://www.exploit-db.com/exploits/49965 - Exploit, Third Party Advisory
References	~~() https://www.vulncheck.com/advisories/nsauditor-denial-of-service-poc -~~	() https://www.vulncheck.com/advisories/nsauditor-denial-of-service-poc - Third Party Advisory
CPE		cpe:2.3:a:nsasoft:nsauditor:3.2.3:::::::*
First Time		Nsasoft Nsasoft nsauditor

16 Jan 2026, 00:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-01-16 00:16

Updated : 2026-01-21 21:54

NVD link : CVE-2021-47815

Mitre link : CVE-2021-47815

CVE.ORG link : CVE-2021-47815

JSON object : View

Products Affected

nsasoft

nsauditor

CWE

CWE-120

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

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