{"id":"CVE-2014-8686","url":"https://www.cyber-defence.io/tools/cve/CVE-2014-8686","generatedAt":"2026-11-05T04:28:58.250Z","title":"CodeIgniter before 2.2.0 makes it easier for attackers to decode session cookies by leveraging fallback to a custom XOR-based encryption scheme when the Mcrypt extension for PHP is not available.","description":"CodeIgniter before 2.2.0 makes it easier for attackers to decode session cookies by leveraging fallback to a custom XOR-based encryption scheme when the Mcrypt extension for PHP is not available.","published":"2017-09-19T19:29:00.000Z","lastModified":"2026-06-17T00:17:11.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-310"],"affected":["codeigniter/codeigniter"],"epss":{"score":0.37222,"percentile":0.98527,"date":"2026-11-04","history":[{"date":"2026-09-21","score":0.33301,"percentile":0.98337},{"date":"2026-09-22","score":0.37222,"percentile":0.98455}]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2015-03-04","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":36264,"kind":"exploit","title":"Seagate Business NAS - Remote Command Execution (Metasploit)","url":"https://www.exploit-db.com/exploits/36264","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/php/remote/36264.rb","file":"exploits/php/remote/36264.rb","published":"2015-03-04","added":"2015-03-04","updated":"2017-04-01","author":"Metasploit","type":"remote","platform":"php","port":80,"verified":true,"codes":["CVE-2014-8686","CVE-2014-8684","OSVDB-118925","CVE-2014-8687"],"tags":"Metasploit Framework (MSF)","aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://beyondbinary.io/advisory/seagate-nas-rce/"}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 37.2%, higher than 99% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://packetstormsecurity.com/files/130609/Seagate-Business-NAS-Unauthenticated-Remote-Command-Execution.html","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://beyondbinary.io/articles/seagate-nas-rce/","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://codeigniter.com/userguide2/changelog.html","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://www.dionach.com/blog/codeigniter-session-decoding-vulnerability","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://packetstormsecurity.com/files/130609/Seagate-Business-NAS-Unauthenticated-Remote-Command-Execution.html","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://beyondbinary.io/articles/seagate-nas-rce/","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://codeigniter.com/userguide2/changelog.html","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.dionach.com/blog/codeigniter-session-decoding-vulnerability","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2014-8686","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."}