CVE-2020-37030 Outline Service 1.3.3 - 'Outline Service ' Unquoted Service Path
Local attackers can execute arbitrary code with elevated privileges by exploiting an unquoted service path in Outline Service.
- 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-2020-37030?
CVE-2020-37030 is a high-severity vulnerability in Getoutline Outline Service, published on 30 Jan 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Outline Service 1.3.3 contains an unquoted service path vulnerability that allows local users to potentially execute arbitrary code with elevated system privileges. Attackers can exploit the unquoted binary path in C:\Program Files (x86)\Outline to inject malicious code that would execute with LocalSystem permissions during service startup.
Weakness: CWE-428
Which versions are affected by CVE-2020-37030?
How do I fix CVE-2020-37030?
No fix has been published for CVE-2020-37030 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-37030 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-37030 exists.
Sources
Also known as GHSA-xwjm-jcx5-9rrw.