CVE-2019-20057: Proxyman

Low severity, CVSS 3.7. EPSS: 0.5% chance of exploitation in the next 30 days.

com.proxyman.NSProxy.HelperTool in Privileged Helper Tool in Proxyman for macOS 1.11.0 and earlier allows an attacker to change the System Proxy and redirect all traffic to an attacker-controlled computer, enabling MITM attacks.

Affected products

• Proxyman Proxyman: up to and including 1.11.0

Published 2019-12-29. Last modified 2026-06-17.