CVE-2021-47807 Sync Breeze 13.6.18 - 'Multiple' Unquoted Service Path
Local attackers can escalate privileges and execute arbitrary code by exploiting an unquoted service path in Sync Breeze.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-47807?
CVE-2021-47807 is a high-severity vulnerability in Syncbreeze Sync Breeze, published on 15 Jan 2026. It can only be exploited from the same machine or local network, with no action from the victim.
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.
Weakness: CWE-428
Which versions are affected by CVE-2021-47807?
It affects 1 product.
Products include Flexense Sync Breeze.
How do I fix CVE-2021-47807?
No fix has been published for CVE-2021-47807 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-47807 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-47807 exists.
Sources
Also known as GHSA-8c6x-7p4v-x88m.