Unquoted Service Path Vulnerability in Sync Breeze by Sync Breeze
CVE-2021-47807

8.5HIGH

Key Information:

Vendor

Syncbreeze

Status
Sync Breeze
Vendor
CVE Published:
15 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2021-47807?

Sync Breeze 13.6.18 is susceptible to an unquoted service path vulnerability in its Windows service configuration. This flaw exposes the software to local attackers who can exploit the improperly configured service paths in 'Program Files' directories. By injecting malicious executables, an attacker may execute arbitrary code and escalate privileges, leading to potential unauthorized access and control over the affected system.

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Affected Version(s)

Sync Breeze 13.6.18

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-2021-47807 - Proof of Concept

References

https://www.exploit-db.com/exploits/50023
exploit
https://www.syncbreeze.com/
product
https://www.vulncheck.com/advisories/sync-breeze-multiple...
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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