{"id":"CVE-2018-8736","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-8736","generatedAt":"2026-10-28T20:10:22.797Z","title":"A privilege escalation vulnerability in Nagios XI 5.2.x through 5.4.x before 5.4.13 allows an attacker to leverage an RCE vulnerability escalating to root.","description":"A privilege escalation vulnerability in Nagios XI 5.2.x through 5.4.x before 5.4.13 allows an attacker to leverage an RCE vulnerability escalating to root.","published":"2018-04-18T00:29:00.000Z","lastModified":"2026-06-17T02:05:19.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":8.8,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":[],"affected":["nagios/nagios xi"],"epss":{"score":0.45628,"percentile":0.98787,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.44476,"percentile":0.98745},{"date":"2026-09-22","score":0.46263,"percentile":0.9876}]},"kev":{"listed":false},"exploits":{"count":2,"verified":true,"firstPublished":"2018-04-30","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":44969,"kind":"exploit","title":"Nagios XI 5.2.6-5.4.12 - Chained Remote Code Execution (Metasploit)","url":"https://www.exploit-db.com/exploits/44969","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/remote/44969.rb","file":"exploits/linux/remote/44969.rb","published":"2018-07-02","added":"2018-07-02","updated":"2018-07-02","author":"Metasploit","type":"remote","platform":"linux","port":80,"verified":true,"codes":["CVE-2018-8736","CVE-2018-8735","CVE-2018-8734","CVE-2018-8733"],"tags":"Remote","aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://raw.githubusercontent.com/rapid7/metasploit-framework/fc3199259b72e20da222480e8cd9734511a50ab8/modules/exploits/linux/http/nagios_xi_chained_rce_2_electric_boogaloo.rb"},{"edbId":44560,"kind":"exploit","title":"Nagios XI 5.2.6 < 5.2.9 / 5.3 / 5.4 - Chained Remote Root","url":"https://www.exploit-db.com/exploits/44560","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/php/webapps/44560.py","file":"exploits/php/webapps/44560.py","published":"2018-04-30","added":"2018-04-30","updated":"2018-07-02","author":"Jared Arave","type":"webapps","platform":"php","port":null,"verified":true,"codes":["CVE-2018-8736","CVE-2018-8735","CVE-2018-8734","CVE-2018-8733"],"tags":"Remote","aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"http://blog.redactedsec.net/exploits/2018/04/26/nagios.html"}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 45.6%, higher than 99% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"https://assets.nagios.com/downloads/nagiosxi/CHANGES-5.TXT","tags":["Release Notes","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://blog.redactedsec.net/exploits/2018/04/26/nagios.html","tags":["Exploit","Release Notes","Technical Description","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://gist.github.com/caleBot/f0a93b5a98574393e0139104eacc2d0f","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/44560/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/44969/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://www.nagios.com/downloads/nagios-xi/change-log/","tags":["Release Notes","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://assets.nagios.com/downloads/nagiosxi/CHANGES-5.TXT","tags":["Release Notes","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://blog.redactedsec.net/exploits/2018/04/26/nagios.html","tags":["Exploit","Release Notes","Technical Description","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://gist.github.com/caleBot/f0a93b5a98574393e0139104eacc2d0f","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/44560/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/44969/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.nagios.com/downloads/nagios-xi/change-log/","tags":["Release Notes","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-8736","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."}