DupTerminator 1.4.5639.37199 contains a denial of service vulnerability that allows attackers to crash the application by inputting a long character string in the Excluded text box. Attackers can generate a payload of 8000 repeated characters to trigger the application to stop working on Windows 10.

Attack Vector Local

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction Active

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00037.

Exploitation poc

Automatable yes

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
dupterminator DupTerminator affected
Version Status Constraints
1.4.5639.37199 affected —

No data.

No data.

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Vendors Products
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Project Subscriptions

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://sourceforge.net/projects/dupterminator/ cve-icon cve-icon
https://www.exploit-db.com/exploits/49917 cve-icon cve-icon
https://www.vulncheck.com/advisories/dupterminator-denial-of-service cve-icon cve-icon
History

Mon, 02 Feb 2026 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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

Mon, 19 Jan 2026 09:45:00 +0000

Type Values Removed Values Added
First Time appeared Dupterminator
Dupterminator dupterminator
Vendors & Products Dupterminator
Dupterminator dupterminator

Fri, 16 Jan 2026 19:15:00 +0000

Type Values Removed Values Added
Description DupTerminator 1.4.5639.37199 contains a denial of service vulnerability that allows attackers to crash the application by inputting a long character string in the Excluded text box. Attackers can generate a payload of 8000 repeated characters to trigger the application to stop working on Windows 10.
Title DupTerminator 1.4.5639.37199 - Denial of Service
Weaknesses CWE-1284
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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-02-02T21:09:07.206Z

Reserved: 2026-01-14T17:11:19.896Z

Link: CVE-2021-47818

cve-icon Vulnrichment

Updated: 2026-02-02T21:09:00.494Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-01-16T19:16:06.363

Modified: 2026-01-26T15:05:57.190

Link: CVE-2021-47818

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-01-19T09:20:26Z

Weaknesses