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.

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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