Low
Security advisory
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2019-20057
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 11:03 UTC · Revision 1
Source evidence
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.
osv:CVE-2019-20057
Complete source record
{
"id": "e655e838710f47d92a4fb900db3d26c7cc5ca302cbc0ffc33edd5ecac8efc3e2",
"url": "https://osv.dev/vulnerability/CVE-2019-20057",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2019-20057",
"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.",
"evidence": "osv:CVE-2019-20057",
"products": [],
"severity": "low",
"structured": {
"id": "CVE-2019-20057",
"aliases": [
"CVE-2019-20057"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/proxymanapp/proxyman",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "9e81440ec2f4e696ff9968ad6a90d7ff6a52578e"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:proxyman:proxyman:*:*:*:*:*:macos:*:*",
"range": [
{
"introduced": "0"
},
{
"last_affected": "1.11.0"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"1.11.0",
"1.10.0",
"1.9.3",
"1.9.2",
"1.9.1",
"1.9.0",
"1.8.0",
"1.7.2",
"1.7.1",
"1.7.0",
"1.6.2",
"1.6.1",
"1.6.0",
"1.5.1",
"1.5.0",
"1.4.7",
"1.4.6",
"1.4.5.1",
"1.4.5",
"1.4.4.1",
"1.4.4",
"1.4.3",
"1.4.2",
"1.4.1.1",
"1.4.1",
"1.4",
"1.3.9",
"1.3.8",
"1.3.7",
"1.3.6",
"1.3.5",
"1.3.4.3",
"1.3.4.2",
"1.3.4.1",
"1.3.4",
"1.3.3",
"1.3.2",
"1.3.1",
"1.3",
"1.2",
"1.1.2",
"1.1.1",
"1.1",
"1.0.3",
"1.0.2",
"1.0",
"0.8.1",
"0.8",
"0.7",
"0.6",
"0.5.1",
"0.5",
"v0.4.1"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-20057.json"
}
}
],
"modified": "2026-10-20T10:52:38.942339617Z",
"provider": "osv",
"references": [
"https://github.com/ProxymanApp/Proxyman/issues/364"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2019-20057",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 383711,
"published_at": "2019-12-29T19:15:11.637+00:00"
}