CVE-2021-47815 Details
Description
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.
A denial-of-service vulnerability has been identified in Nsasoft Nsauditor version 3.2.3. The issue arises in the registration code input field, where attackers can cause the application to crash by pasting a large buffer of 256 repeated characters into the 'Key' field. This vulnerability exploits a buffer copy operation that does not properly check the size of the input, leading to an application crash.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jan 16, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://www.exploit-db.com/exploits/49965 | [email protected] | ExploitThird Party Advisory |
| https://www.vulncheck.com/advisories/nsauditor-denial-of-service-poc | [email protected] | Third Party Advisory |
| http://www.nsauditor.com | [email protected] | Product |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-120 | Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| nsasoft nsauditor | < 3.2.7 |
CPE
Remediation
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Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| May 1, 2026 | Reanalysis | [email protected] |
| Jan 21, 2026 | Initial Analysis | [email protected] |
| Jan 16, 2026 | New CVE Received | [email protected] |