Vulnerability · Published Jan 15, 2026 · Assigned by VulnCheck
CVE-2021-47807Sync Breeze 13.6.18 - 'Multiple' Unquoted Service Path
High 7.8
In plain English
A high-severity security flaw in Sync Breeze from Syncbreeze. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities).
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.2%top 86.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
Sync Breeze 13.6.18 contains an unquoted service path vulnerability in its Windows service configuration that allows local attackers to potentially execute arbitrary code. Attackers can exploit the unquoted path in service binaries located in 'Program Files' directories to inject malicious executables and escalate privileges.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Syncbreeze | Sync Breeze | 13.6.18 |
Weakness: CWE-428 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- ExploitDB-50023 exploit
- Vendor Homepage product
- VulnCheck Advisory: Sync Breeze 13.6.18 - 'Multiple' Unquoted Service Path third-party-advisory