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.
Published: 2026-02-05
Score: 8.4 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

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'}


Subscriptions

Nsasoft Nsauditor
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-04-07T14:05:18.864Z

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