{"id":"CVE-2023-32634","aliases":["EUVD-2023-36877","GHSA-q5mg-3r24-hvx2"],"status":"published","title":"An authentication bypass vulnerability exists in the CiRpcServerThread() functionality of...","description":"An authentication bypass vulnerability exists in the CiRpcServerThread() functionality of SoftEther VPN 5.01.9674 and 4.41-9782-beta. An attacker can perform a local man-in-the-middle attack to trigger this vulnerability.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00426,"percentile":0.37203,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-300"],"published":"2023-10-12T15:27:51Z","modified":"2026-06-17T05:59:16Z","products":[{"vendor":"softether","product":"vpn"},{"vendor":"softether vpn","product":"softether vpn"}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2023-1755","tags":["x_transferred","Exploit","Third Party Advisory"]},{"url":"https://www.softether.org/9-about/News/904-SEVPN202301","tags":["x_transferred","Patch","Vendor Advisory"]},{"url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1755"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-32634"},{"url":"https://github.com/advisories/GHSA-q5mg-3r24-hvx2"}],"sources":{"cve":[{"id":"CVE-2023-32634","description":"An authentication bypass vulnerability exists in the CiRpcServerThread() functionality of SoftEther VPN 5.01.9674 and 4.41-9782-beta. An attacker can perform a local man-in-the-middle attack to trigger this vulnerability.","status":"published","published":"2023-10-12T15:27:51.751Z","modified":"2025-11-04T19:16:23.506Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-300"],"updated_at":"2026-11-02T14:35:29.381004Z"}],"euvd":[{"id":"EUVD-2023-36877","description":"An authentication bypass vulnerability exists in the CiRpcServerThread() functionality of SoftEther VPN 5.01.9674 and 4.41-9782-beta. An attacker can perform a local man-in-the-middle attack to trigger this vulnerability.","status":"published","published":"2023-10-12T15:27:51Z","modified":"2025-11-04T19:16:23Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T19:49:22.434386Z"}],"ghsa":[{"id":"GHSA-q5mg-3r24-hvx2","title":"An authentication bypass vulnerability exists in the CiRpcServerThread() functionality of...","description":"An authentication bypass vulnerability exists in the CiRpcServerThread() functionality of SoftEther VPN 5.01.9674 and 4.41-9782-beta. An attacker can perform a local man-in-the-middle attack to trigger this vulnerability.","status":"published","published":"2023-10-12T18:30:28Z","modified":"2025-11-04T21:31:50Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-300"],"updated_at":"2026-11-02T15:04:37.582006Z"}],"nvd":[{"id":"CVE-2023-32634","description":"An authentication bypass vulnerability exists in the CiRpcServerThread() functionality of SoftEther VPN 5.01.9674 and 4.41-9782-beta. An attacker can perform a local man-in-the-middle attack to trigger this vulnerability.","status":"published","published":"2023-10-12T16:15:11.92Z","modified":"2026-06-17T05:59:16.537Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-300"],"updated_at":"2026-11-02T14:08:37.83429Z"}]}}