What’s Vulnerable › Vulnerabilities

CVE-2021-47815: Nsauditor 3.2.3 - Denial of Service (PoC)

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-01-16 · updated 2026-06-17
• Weakness: CWE-120

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

• Nsauditor: before 3.2.7 — fixed in 3.2.7

How to fix

Upgrade to a fixed version: Nsauditor 3.2.7. Check the vendor advisory for mitigations.

References

• http://www.nsauditor.com
• https://www.exploit-db.com/exploits/49965
• https://www.vulncheck.com/advisories/nsauditor-denial-of-service-poc

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