Vulnerability · Published Jan 15, 2026 · Assigned by VulnCheck
CVE-2021-47815Nsauditor 3.2.3 - Denial of Service (PoC)
High 7.5
In plain English
A high-severity buffer overflow in Nsauditor from Nsauditor. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.5%top 58.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
Weakness: CWE-120 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- ExploitDB-49965 exploit
- Vendor Homepage product
- VulnCheck Advisory: Nsauditor 3.2.3 - Denial of Service (PoC) third-party-advisory