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Nsauditor CVE-2021-47815

MEDIUM
Classic Buffer Overflow (CWE-120)
2026-01-16 disclosure@vulncheck.com
6.7
CVSS 4.0 · NVD
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Severity by source

NVD PRIMARY
6.7 MEDIUM
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
A
Scope
X

Lifecycle Timeline

5
Severity Changed
May 01, 2026 - 21:07 NVD
HIGH MEDIUM
CVSS changed
May 01, 2026 - 21:07 NVD
7.5 (HIGH) 6.7 (MEDIUM)
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
PoC Detected
Jan 21, 2026 - 21:54 vuln.today
Public exploit code
CVE Published
Jan 16, 2026 - 00:16 nvd
HIGH 7.5

DescriptionCVE.org

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.

AnalysisAI

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 7.5 HIGH]

Technical ContextAI

Classified as CWE-120 (Classic Buffer Overflow). Affects Nsauditor. 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.

RemediationAI

Monitor vendor advisories for a patch. Enable ASLR, DEP/NX, and stack canaries where possible. Restrict network access to the affected service where possible.

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CVE-2021-47815 vulnerability details – vuln.today

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