Vulnerability in Proxyman

CVE-2019-20057

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.

EPSS: 0.004 (35.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-20057?
CVE-2019-20057 is a low-severity vulnerability in Proxyman, classified under Insufficient Verification of Data Authenticity. CVSS score: 3.7/10. Published 2019-12-29.
How severe is CVE-2019-20057?
Low severity. CVSS v3 base score is 3.7 out of 10.
Is CVE-2019-20057 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.