{"id":"CVE-2018-17057","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-17057","generatedAt":"2026-10-29T03:02:35.937Z","title":"Attackers can trigger deserialization of arbitrary data via the phar:// wrapper.","description":"An issue was discovered in TCPDF before 6.2.22. Attackers can trigger deserialization of arbitrary data via the phar:// wrapper.","published":"2018-09-14T20:29:01.000Z","lastModified":"2026-06-17T01:45:17.000Z","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-502"],"affected":["tecnick/tcpdf","limesurvey/limesurvey"],"epss":{"score":0.26172,"percentile":0.97985,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.20111,"percentile":0.97384},{"date":"2026-09-22","score":0.26172,"percentile":0.97902}]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2019-04-02","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":46634,"kind":"exploit","title":"LimeSurvey < 3.16 - Remote Code Execution","url":"https://www.exploit-db.com/exploits/46634","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/php/webapps/46634.py","file":"exploits/php/webapps/46634.py","published":"2019-04-02","added":"2019-04-02","updated":"2019-04-02","author":"q3rv0","type":"webapps","platform":"php","port":null,"verified":false,"codes":["CVE-2018-17057"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 26.2%, higher than 98% of all known CVEs. Patch or mitigate before the next change window."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-09-22T00:00:00.000Z","detail":{"to":0.26172,"from":0.20111,"percentile":0.97902},"summary":"EPSS moved from 20.1% to 26.2% probability of exploitation in the next thirty days."}],"references":[{"url":"http://packetstormsecurity.com/files/152200/TCPDF-6.2.19-Deserialization-Remote-Code-Execution.html","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://packetstormsecurity.com/files/152360/LimeSurvey-Deserialization-Remote-Code-Execution.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://seclists.org/fulldisclosure/2019/Mar/36","tags":["Mailing List","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://contao.org/en/news/security-vulnerability-cve-2018-17057.html","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/LimeSurvey/LimeSurvey/commit/1cdd78d27697b3150bb44aaa7af1a81062a591a5","tags":["Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/tecnickcom/TCPDF/commit/1861e33fe05f653b67d070f7c106463e7a5c26ed","tags":["Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/46634/","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://packetstormsecurity.com/files/152200/TCPDF-6.2.19-Deserialization-Remote-Code-Execution.html","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://packetstormsecurity.com/files/152360/LimeSurvey-Deserialization-Remote-Code-Execution.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://seclists.org/fulldisclosure/2019/Mar/36","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://contao.org/en/news/security-vulnerability-cve-2018-17057.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/LimeSurvey/LimeSurvey/commit/1cdd78d27697b3150bb44aaa7af1a81062a591a5","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/tecnickcom/TCPDF/commit/1861e33fe05f653b67d070f7c106463e7a5c26ed","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/46634/","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-17057","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."}