{"id":"CVE-2017-15806","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-15806","generatedAt":"2026-10-29T02:04:25.887Z","title":"The send function in the ezcMailMtaTransport class in Zeta Components Mail before 1.8.2 does not properly restrict the set of characters used in the ezcMail returnPath property, which might allow remote attackers to execute arbitrary code via a crafted…","description":"The send function in the ezcMailMtaTransport class in Zeta Components Mail before 1.8.2 does not properly restrict the set of characters used in the ezcMail returnPath property, which might allow remote attackers to execute arbitrary code via a crafted email address, as demonstrated by one containing \"-X/path/to/wwwroot/file.php.\"","published":"2017-11-15T16:29:00.000Z","lastModified":"2026-06-17T01:08:18.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":8.1,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-94"],"affected":["zetacomponents/mail"],"epss":{"score":0.10652,"percentile":0.95775,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.09256,"percentile":0.9519},{"date":"2026-09-22","score":0.10652,"percentile":0.95595}]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2017-11-16","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":43155,"kind":"exploit","title":"Zeta Components Mail 1.8.1 - Remote Code Execution","url":"https://www.exploit-db.com/exploits/43155","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/php/webapps/43155.txt","file":"exploits/php/webapps/43155.txt","published":"2017-11-16","added":"2017-11-16","updated":"2017-11-16","author":"MalwareBenchmark","type":"webapps","platform":"php","port":null,"verified":true,"codes":["CVE-2017-15806"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://kay-malwarebenchmark.github.io/blog/cve-2017-15806-critical-rce-vulnerability/"}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 10.7%, higher than 96% 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":0.10652,"from":0.09256,"percentile":0.95595},"summary":"EPSS moved from 9.3% to 10.7% probability of exploitation in the next thirty days."}],"references":[{"url":"http://www.securityfocus.com/bid/101866","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://github.com/zetacomponents/Mail/issues/58","tags":["Issue Tracking","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/zetacomponents/Mail/releases/tag/1.8.2","tags":["Issue Tracking","Release Notes","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://kay-malwarebenchmark.github.io/blog/cve-2017-15806-critical-rce-vulnerability/","tags":["Issue Tracking","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://kay-malwarebenchmark.github.io/blog/cve-2017-15806-yuan-cheng-dai-ma-zhi-xing-lou-dong/","tags":["Issue Tracking","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/43155/","tags":["Issue Tracking","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/101866","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/zetacomponents/Mail/issues/58","tags":["Issue Tracking","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/zetacomponents/Mail/releases/tag/1.8.2","tags":["Issue Tracking","Release Notes","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://kay-malwarebenchmark.github.io/blog/cve-2017-15806-critical-rce-vulnerability/","tags":["Issue Tracking","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://kay-malwarebenchmark.github.io/blog/cve-2017-15806-yuan-cheng-dai-ma-zhi-xing-lou-dong/","tags":["Issue Tracking","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/43155/","tags":["Issue Tracking","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-15806","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."}