CVE-2020-37202

NetworkSleuth 3.0.0.0 - 'Key' Denial of Service

Published Feb 11, 2026 CVSS 4.0 · 4.6 Medium EPSS < 1% KEV · Not listed
Description
NetworkSleuth 3.0.0.0 contains a denial of service vulnerability that allows attackers to crash the application by supplying an oversized registration key. Attackers can generate a 1000-character buffer payload and paste it into the registration key field to trigger an application crash.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Nsasoft network Sleuth
CPEs cpe:2.3:a:nsasoft:network_sleuth:3.0.0.0:*:*:*:*:*:*:*
Vendors & Products Nsasoft network Sleuth
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
First Time appeared Nsasoft
Nsasoft nsauditor Networksleuth
Vendors & Products Nsasoft
Nsasoft nsauditor Networksleuth
Type Values Removed Values Added
Description NetworkSleuth 3.0.0.0 contains a denial of service vulnerability that allows attackers to crash the application by supplying an oversized registration key. Attackers can generate a 1000-character buffer payload and paste it into the registration key field to trigger an application crash.
Title NetworkSleuth 3.0.0.0 - 'Key' Denial of Service
Weaknesses CWE-120
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 4.6, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Oct 27, 2026, 1:30 AM
Reserved
Feb 10, 2026, 6:49 PM
Status
Deferred
Published
Feb 11, 2026, 9:16 PM
Modified
Jun 17, 2026, 3:17 AM