High
Security advisory
GlobalProtect-openconnect versions prior to 2.0.0 (exclusive) are affected by incorrect access control in GPService through DBUS, GUI. The way GlobalProtect-Openconnect is set up enables arbitrary users to start a VPN connection to arbitrary servers. By hosting an openconnect compatible server, the attack can redirect the entire host's traffic via their own server.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-45810
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 12:40 UTC · Revision 1
Source evidence
GlobalProtect-openconnect versions prior to 2.0.0 (exclusive) are affected by incorrect access control in GPService through DBUS, GUI. The way GlobalProtect-Openconnect is set up enables arbitrary users to start a VPN connection to arbitrary servers. By hosting an openconnect compatible server, the attack can redirect the entire host's traffic via their own server.
osv:CVE-2021-45810
Complete source record
{
"id": "f75c21b967f45c84aa1f5e921c0a5278a37dfd922e203af6257ace0221973938",
"url": "https://osv.dev/vulnerability/CVE-2021-45810",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-45810",
"summary": "GlobalProtect-openconnect versions prior to 2.0.0 (exclusive) are affected by incorrect access control in GPService through DBUS, GUI. The way GlobalProtect-Openconnect is set up enables arbitrary users to start a VPN connection to arbitrary servers. By hosting an openconnect compatible server, the attack can redirect the entire host's traffic via their own server.",
"evidence": "osv:CVE-2021-45810",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2021-45810",
"aliases": [
"CVE-2021-45810"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/yuezk/globalprotect-openconnect",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "db9249bd614f889e1722d78a7c6ac596e767e901"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"fixed": "2.0.0"
}
],
"source": "DESCRIPTION"
}
]
}
}
],
"versions": [
"v2.0.0-beta8",
"v2.0.0-beta7",
"v2.0.0-beta6",
"v2.0.0-beta5",
"v2.0.0-beta4",
"v2.0.0-beta3",
"v2.0.0-beta2",
"v2.0.0-beta1",
"v1.4.9",
"v1.4.8",
"v1.4.7",
"v1.4.6",
"v1.4.5",
"v1.4.4",
"v1.4.3",
"v1.4.2",
"v1.4.1",
"v1.4.0",
"v1.3.4",
"v1.3.3",
"v1.3.2",
"v1.3.1",
"v1.3.0",
"v1.2.9",
"v1.2.8",
"v1.2.7",
"v1.2.6",
"v1.2.5",
"v1.2.4",
"v1.2.3",
"v1.2.2",
"v1.2.1",
"v1.2.0",
"v1.1.0",
"v1.0.0",
"v0.0.3",
"v0.0.2",
"v0.0.1"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-45810.json",
"vanir_signatures": [
{
"id": "CVE-2021-45810-3ef27f8d",
"digest": {
"length": 188,
"function_hash": "203534085118036193701092109500125989668"
},
"source": "https://github.com/yuezk/globalprotect-openconnect/commit/db9249bd614f889e1722d78a7c6ac596e767e901",
"target": {
"file": "crates/openconnect/src/ffi/vpn.c",
"function": "vpn_disconnect"
},
"deprecated": false,
"signature_type": "Function",
"signature_version": "v1"
},
{
"id": "CVE-2021-45810-94b974e7",
"digest": {
"threshold": 0.9,
"line_hashes": [
"135665407745645118951894506806192331416",
"105318470486006335482657014343490808985",
"89962990449289855985667032590753126459",
"60170663542358963231049852355526933052"
]
},
"source": "https://github.com/yuezk/globalprotect-openconnect/commit/db9249bd614f889e1722d78a7c6ac596e767e901",
"target": {
"file": "crates/openconnect/src/ffi/vpn.c"
},
"deprecated": false,
"signature_type": "Line",
"signature_version": "v1"
}
],
"vanir_signatures_modified": "2026-10-20T14:10:57Z"
}
}
],
"modified": "2026-10-20T14:10:57.122310254Z",
"provider": "osv",
"references": [
"https://github.com/yuezk/GlobalProtect-openconnect/issues/114",
"https://github.com/yuezk/GlobalProtect-openconnect/issues/114#issuecomment-1914008203"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2021-45810",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 388683,
"published_at": "2022-03-22T11:15:07.807+00:00"
}