{"id":"CVE-2021-31606","aliases":["EUVD-2021-0163","GHSA-5w5c-3g26-8mmc","PYSEC-2021-354"],"status":"published","title":"furlongm openvpn-monitor allows Authorization Bypass to disconnect arbitrary clients","description":"furlongm openvpn-monitor through 1.1.3 allows Authorization Bypass to disconnect arbitrary clients.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.02599,"percentile":0.85566,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2021-09-27T00:00:00Z","modified":"2026-10-20T10:54:40Z","affected":[{"source":"ghsa","ecosystem":"PyPI","package":"openvpn-monitor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.1.3"}]}]},{"source":"osv","ecosystem":"PyPI","package":"openvpn-monitor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.1.3"}]}],"versions":["1.0.0","1.1.2","1.1.3"]},{"source":"osv","ecosystem":"PyPI","package":"openvpn-monitor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.0","1.1.2","1.1.3","2.0.2","2.0.3","2.0.4"]}],"products":[{"vendor":"openvpn-monitor_project","product":"openvpn-monitor"}],"references":[{"url":"https://github.com/furlongm/openvpn-monitor/releases","tags":["x_transferred","Third Party Advisory","advisory","web"]},{"url":"http://packetstormsecurity.com/files/164274/OpenVPN-Monitor-1.1.3-Authorization-Bypass-Denial-Of-Service.html","tags":["x_transferred","Third Party Advisory","VDB Entry","advisory","web"]},{"url":"https://github.com/furlongm/openvpn-monitor/commit/ddb9d31ef0ec56f578bdacf99ebe9d68455ed8ca","tags":["x_transferred","Patch","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-31606","tags":["advisory"]},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/openvpn-monitor/PYSEC-2021-354.yaml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-5w5c-3g26-8mmc","tags":["advisory"]},{"url":"https://github.com/furlongm/openvpn-monitor","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2021-31606","description":"furlongm openvpn-monitor through 1.1.3 allows Authorization Bypass to disconnect arbitrary clients.","status":"published","published":"2021-09-27T00:00:00Z","modified":"2024-08-03T23:03:33.626Z","updated_at":"2026-11-02T14:33:05.331617Z"}],"euvd":[{"id":"EUVD-2021-0163","description":"furlongm openvpn-monitor through 1.1.3 allows Authorization Bypass to disconnect arbitrary clients.","status":"published","published":"2021-09-27T00:00:00Z","modified":"2024-08-03T23:03:33Z","updated_at":"2026-11-03T03:24:38.977347Z"}],"ghsa":[{"id":"GHSA-5w5c-3g26-8mmc","title":"furlongm openvpn-monitor allows Authorization Bypass to disconnect arbitrary clients","description":"furlongm openvpn-monitor through 1.1.3 allows Authorization Bypass to disconnect arbitrary 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