{"id":"CVE-2023-30328","aliases":["EUVD-2023-34751","GHSA-wjq5-7847-86xm"],"status":"published","title":"An issue in the helper tool of Mailbutler GmbH Shimo VPN Client for macOS v5.0.4 allows attackers...","description":"An issue in the helper tool of Mailbutler GmbH Shimo VPN Client for macOS v5.0.4 allows attackers to bypass authentication via PID re-use.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01087,"percentile":0.65588,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2023-05-04T00:00:00Z","modified":"2026-06-17T05:54:29Z","products":[{"vendor":"mailbutler","product":"shimo"}],"references":[{"url":"https://raw.githubusercontent.com/rand0mIdas/randomideas/main/ShimoVPN.md?token=GHSAT0AAAAAACA3WX4SPH2YYOCWGV6LLVSGZBIEKEQ","tags":["x_transferred","Exploit","Third Party Advisory"]},{"url":"https://github.com/rand0mIdas/randomideas/blob/main/ShimoVPN.md","tags":["x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-30328"},{"url":"https://github.com/advisories/GHSA-wjq5-7847-86xm"}],"sources":{"cve":[{"id":"CVE-2023-30328","description":"An issue in the helper tool of Mailbutler GmbH Shimo VPN Client for macOS v5.0.4 allows attackers to bypass authentication via PID re-use.","status":"published","published":"2023-05-04T00:00:00Z","modified":"2025-01-29T19:25:31.433Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"updated_at":"2026-11-02T14:35:22.309324Z"}],"euvd":[{"id":"EUVD-2023-34751","description":"An issue in the helper tool of Mailbutler GmbH Shimo VPN Client for macOS v5.0.4 allows attackers to bypass authentication via PID re-use.","status":"published","published":"2023-05-04T00:00:00Z","modified":"2025-01-29T19:25:31Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-03T00:04:09.89712Z"}],"ghsa":[{"id":"GHSA-wjq5-7847-86xm","title":"An issue in the helper tool of Mailbutler GmbH Shimo VPN Client for macOS v5.0.4 allows attackers...","description":"An issue in the helper tool of Mailbutler GmbH Shimo VPN Client for macOS v5.0.4 allows attackers to bypass authentication via PID re-use.","status":"published","published":"2023-05-04T21:30:29Z","modified":"2024-04-04T03:49:04Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:56:18.466724Z"}],"nvd":[{"id":"CVE-2023-30328","description":"An issue in the helper tool of Mailbutler GmbH Shimo VPN Client for macOS v5.0.4 allows attackers to bypass authentication via PID re-use.","status":"published","published":"2023-05-04T21:15:11.54Z","modified":"2026-06-17T05:54:29.98Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:08:01.131774Z"}]}}