{"id":"CVE-2018-18858","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-18858","generatedAt":"2026-10-28T21:28:49.616Z","title":"Multiple local privilege escalation vulnerabilities have been identified in the LiquidVPN client through 1.37 for macOS.","description":"Multiple local privilege escalation vulnerabilities have been identified in the LiquidVPN client through 1.37 for macOS. An attacker can communicate with an unprotected XPC service and directly execute arbitrary OS commands as root or load a potentially malicious kernel extension because com.smr.liquidvpn.OVPNHelper uses the system function to execute the \"tun_path\" or \"tap_path\" pathname within a shell command.","published":"2018-11-20T19:29:02.000Z","lastModified":"2026-06-17T01:48:02.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":7.8,"severity":"HIGH","vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-78"],"affected":["liquidvpn/liquidvpn"],"epss":{"score":0.01571,"percentile":0.75262,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2018-11-05","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":45782,"kind":"exploit","title":"LiquidVPN 1.36 / 1.37 - Privilege Escalation","url":"https://www.exploit-db.com/exploits/45782","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/macos/local/45782.c","file":"exploits/macos/local/45782.c","published":"2018-11-05","added":"2018-11-05","updated":"2018-11-05","author":"Bernd Leitner","type":"local","platform":"macos","port":null,"verified":false,"codes":["CVE-2018-18859","CVE-2018-18858","CVE-2018-18857","CVE-2018-18856"],"tags":"Local","aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://raw.githubusercontent.com/cndycc/exploits/master/liquidvpwn.c"}]},"verdict":{"level":"urgent","text":"A public exploit is published in Exploit-DB and the impact is high, while EPSS rates exploitation at 1.6%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use."},"changes":[],"references":[{"url":"http://packetstormsecurity.com/files/150137/LiquidVPN-For-macOS-1.3.7-Privilege-Escalation.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://seclists.org/fulldisclosure/2018/Nov/1","tags":["Exploit","Mailing List","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/45782/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://packetstormsecurity.com/files/150137/LiquidVPN-For-macOS-1.3.7-Privilege-Escalation.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://seclists.org/fulldisclosure/2018/Nov/1","tags":["Exploit","Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/45782/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-18858","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}