CVE-2020-37119

CRITICAL

9.8

Description

Nsauditor 3.0.28 and 3.2.1.0 contains a buffer overflow vulnerability in the DNS Lookup tool that allows attackers to execute arbitrary code by overwriting memory. Attackers can craft a malicious DNS query payload to trigger a three-byte overwrite, bypass ASLR, and execute shellcode through a carefully constructed exploit.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published2/5/2026

Last Modified2/9/2026

Sourcenvd

Honeypot Sightings0

Affected Products

nsasoft:nsauditor

Weaknesses (CWE)

CWE-121CWE-787

References

https://www.exploit-db.com/exploits/48350(disclosure@vulncheck.com)

https://www.nsauditor.com/(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/nsauditor-buffer-overflow-sehaslr-bypass-bytes-overwrite(disclosure@vulncheck.com)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.