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.

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Solution

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History

Mon, 09 Feb 2026 22:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-787
CPEs cpe:2.3:a:nsasoft:nsauditor:3.0.28:*:*:*:*:*:*:*
cpe:2.3:a:nsasoft:nsauditor:3.2.1.0:*:*:*:*:*:*:*

Fri, 06 Feb 2026 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 06 Feb 2026 12:15:00 +0000

Type Values Removed Values Added
First Time appeared Nsasoft
Nsasoft nsauditor
Vendors & Products Nsasoft
Nsasoft nsauditor

Thu, 05 Feb 2026 16:30:00 +0000

Type Values Removed Values Added
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.
Title Nsauditor 3.2.1.0 - Buffer Overflow (SEH+ASLR bypass (3 bytes overwrite))
Weaknesses CWE-121
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.4, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-02-06T20:33:12.458Z

Reserved: 2026-02-03T16:27:45.303Z

Link: CVE-2020-37119

cve-icon Vulnrichment

Updated: 2026-02-06T20:33:09.285Z

cve-icon NVD

Status : Analyzed

Published: 2026-02-05T17:16:06.357

Modified: 2026-02-09T22:08:04.473

Link: CVE-2020-37119

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-06T12:05:23Z

Weaknesses