TI-2019-14477 Aliases CVE-2019-20057 GHSA-r9pq-2w6r-9889

com.proxyman.NSProxy.HelperTool in Privileged Helper Tool in Proxyman for macOS 1.11.0…

LOW 18CWE-345Published 2019-12-29 · Updated 2024-08-05

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: High
Impact type: Security bypass
Confidentiality · integrity · availability: None · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-345.

Summary

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.

Why it matters now

EPSS 0.00434 37th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:proxyman:proxyman::::::macos::*	up to 1.11.0	Vulnerable	Proxyman

cpe:2.3:a:proxyman:proxyman:*:*:*:*:*:macos:*:* Versions up to 1.11.0 Vulnerable ·Proxyman

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2019-20057
2026-10-03 Alias added: GHSA-r9pq-2w6r-9889

References

Advisory 1

https://github.com/ProxymanApp/Proxyman/issues/364

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences