{"id":"CVE-2015-3649","url":"https://www.cyber-defence.io/tools/cve/CVE-2015-3649","generatedAt":"2026-10-27T18:48:27.476Z","title":"The open-uri-cached rubygem allows local users to execute arbitrary Ruby code by creating a directory under /tmp containing \"openuri-\" followed by a crafted UID, and putting Ruby code in said directory once a meta file is created.","description":"The open-uri-cached rubygem allows local users to execute arbitrary Ruby code by creating a directory under /tmp containing \"openuri-\" followed by a crafted UID, and putting Ruby code in said directory once a meta file is created.","published":"2017-08-18T16:29:00.000Z","lastModified":"2026-06-17T00:26:03.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-20"],"affected":["open-uri-cached project/open-uri-cached"],"epss":{"score":0.00388,"percentile":0.32667,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.39%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://www.benjaminfleischer.com/2013/03/20/yaml-and-security-in-ruby/","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://www.openwall.com/lists/oss-security/2015/05/06/2","tags":["Mailing List","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/74469","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://github.com/tigris/open-uri-cached/blob/master/lib/open-uri/cached.rb#L115","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/tigris/open-uri-cached/blob/master/lib/open-uri/cached.rb#L25","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/tigris/open-uri-cached/blob/master/lib/open-uri/cached.rb#L39","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://www.benjaminfleischer.com/2013/03/20/yaml-and-security-in-ruby/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2015/05/06/2","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/74469","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/tigris/open-uri-cached/blob/master/lib/open-uri/cached.rb#L115","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/tigris/open-uri-cached/blob/master/lib/open-uri/cached.rb#L25","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/tigris/open-uri-cached/blob/master/lib/open-uri/cached.rb#L39","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2015-3649","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."}