Vulnerability · Published Jan 30, 2026 · Assigned by VulnCheck

CVE-2020-37030Outline Service 1.3.3 - 'Outline Service ' Unquoted Service Path

High 7.8

In plain English

A high-severity security flaw in Outline Service from Getoutline. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 4% of all known vulnerabilities).

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.2%top 95.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

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.

Affected products (as reported)

VendorProductVersions
Getoutline Outline Service 0 – through 1.3.3

Weakness: CWE-428 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References