{"id":"CVE-2013-0269","url":"https://www.cyber-defence.io/tools/cve/CVE-2013-0269","generatedAt":"2026-11-05T07:48:07.626Z","title":"The JSON gem before 1.5.5, 1.6.x before 1.6.8, and 1.7.x before 1.7.7 for Ruby allows remote attackers to cause a denial of service (resource consumption) or bypass the mass assignment protection mechanism via a crafted JSON document that triggers the…","description":"The JSON gem before 1.5.5, 1.6.x before 1.6.8, and 1.7.x before 1.7.7 for Ruby allows remote attackers to cause a denial of service (resource consumption) or bypass the mass assignment protection mechanism via a crafted JSON document that triggers the creation of arbitrary Ruby symbols or certain internal objects, as demonstrated by conducting a SQL injection attack against Ruby on Rails, aka \"Unsafe Object Creation Vulnerability.\"","published":"2013-02-13T01:55:05.000Z","lastModified":"2026-06-16T23:49:06.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"2.0","score":7.5,"severity":"HIGH","vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P"},"cwe":["CWE-20"],"affected":["rubygems/json gem"],"epss":{"score":0.13911,"percentile":0.9655,"date":"2026-11-04","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 13.9%, higher than 97% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://lists.apple.com/archives/security-announce/2013/Oct/msg00006.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00001.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00015.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-updates/2013-04/msg00034.html","source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2013-0686.html","source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2013-0701.html","source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2013-1028.html","source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2013-1147.html","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/52075","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/52774","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/52902","source":"secalert@redhat.com"},{"url":"http://spreecommerce.com/blog/multiple-security-vulnerabilities-fixed","source":"secalert@redhat.com"},{"url":"http://weblog.rubyonrails.org/2013/2/11/SEC-ANN-Rails-3-2-12-3-1-11-and-2-3-17-have-been-released/","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.openwall.com/lists/oss-security/2013/02/11/7","source":"secalert@redhat.com"},{"url":"http://www.openwall.com/lists/oss-security/2013/02/11/8","source":"secalert@redhat.com"},{"url":"http://www.osvdb.org/90074","source":"secalert@redhat.com"},{"url":"http://www.securityfocus.com/bid/57899","source":"secalert@redhat.com"},{"url":"http://www.slackware.com/security/viewer.php?l=slackware-security&y=2013&m=slackware-security.426862","source":"secalert@redhat.com"},{"url":"http://www.ubuntu.com/usn/USN-1733-1","source":"secalert@redhat.com"},{"url":"http://www.zweitag.de/en/blog/ruby-on-rails-vulnerable-to-mass-assignment-and-sql-injection","source":"secalert@redhat.com"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/82010","source":"secalert@redhat.com"},{"url":"https://groups.google.com/group/rubyonrails-security/msg/d8e0db6e08c81428?dmode=source&output=gplain","source":"secalert@redhat.com"},{"url":"https://puppet.com/security/cve/cve-2013-0269","source":"secalert@redhat.com"},{"url":"http://lists.apple.com/archives/security-announce/2013/Oct/msg00006.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00001.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00015.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-updates/2013-04/msg00034.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2013-0686.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2013-0701.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2013-1028.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2013-1147.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/52075","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/52774","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/52902","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://spreecommerce.com/blog/multiple-security-vulnerabilities-fixed","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://weblog.rubyonrails.org/2013/2/11/SEC-ANN-Rails-3-2-12-3-1-11-and-2-3-17-have-been-released/","tags":["Vendor 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BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}