Unquoted Service Path Vulnerability in Dup Scout by JCL Software
CVE-2021-47806

8.5HIGH

Key Information:

Vendor

Dupscout

Status
Dup Scout
Vendor
CVE Published:
15 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2021-47806?

Dup Scout 13.5.28 presents a security flaw stemming from an unquoted service path in its Windows service configuration. This loophole allows local attackers to potentially execute arbitrary code by exploiting the unquoted path in 'C:\Program Files\Dup Scout Server\bin\dupscts.exe'. By injecting malicious executables through this vulnerability, attackers may gain elevated privileges, posing a significant risk to system integrity.

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Affected Version(s)

Dup Scout 13.5.28

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2021-47806 - Proof of Concept

References

https://www.exploit-db.com/exploits/50025
exploit
https://www.dupscout.com
product
https://www.vulncheck.com/advisories/dup-scout-multiple-u...
third-party-advisory

CVSS V4

Score:
8.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Brian Rodriguez
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