{"id":"CVE-2012-4681","url":"https://www.cyber-defence.io/tools/cve/CVE-2012-4681","generatedAt":"2026-10-31T23:40:02.504Z","title":"Oracle Java SE Runtime Environment (JRE) Arbitrary Code Execution Vulnerability","description":"Multiple vulnerabilities in the Java Runtime Environment (JRE) component in Oracle Java SE 7 Update 6 and earlier allow remote attackers to execute arbitrary code via a crafted applet that bypasses SecurityManager restrictions by (1) using com.sun.beans.finder.ClassFinder.findClass and leveraging an exception with the forName method to access restricted classes from arbitrary packages such as sun.awt.SunToolkit, then (2) using \"reflection with a trusted immediate caller\" to leverage the getField method to access and modify private fields, as exploited in the wild in August 2012 using Gondzz.class and Gondvv.class.","published":"2012-08-28T00:55:02.000Z","lastModified":"2026-08-06T05:16:34.000Z","status":"Analyzed","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-284"],"affected":["oracle/jdk","oracle/jre","redhat/enterprise linux desktop","redhat/enterprise linux eus","redhat/enterprise linux server","redhat/enterprise linux workstation"],"epss":{"score":0.98536,"percentile":0.99921,"date":"2026-10-30","history":[]},"kev":{"listed":true,"dateAdded":"2022-03-03","dueDate":"2022-03-24","knownRansomwareCampaignUse":"Known","notes":"Apply updates per vendor instructions.\nhttps://nvd.nist.gov/vuln/detail/CVE-2012-4681"},"exploits":{"count":1,"verified":true,"firstPublished":"2012-08-27","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":20865,"kind":"exploit","title":"Java 7 Applet - Remote Code Execution (Metasploit)","url":"https://www.exploit-db.com/exploits/20865","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/java/remote/20865.rb","file":"exploits/java/remote/20865.rb","published":"2012-08-27","added":"2012-08-27","updated":"2012-08-27","author":"Metasploit","type":"remote","platform":"java","port":null,"verified":true,"codes":["CVE-2012-4681","OSVDB-84980","CVE-2012-3539","CVE-2012-0547","OSVDB-84867"],"tags":"Metasploit Framework (MSF)","aliases":null,"applicationUrl":null,"screenshotUrl":"http://www.exploit-db.com/screenshots/idlt21000/screen-shot-2012-08-27-at-60732-pm.png","referenceUrl":null}]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 24 March 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"references":[{"url":"http://blog.fireeye.com/research/2012/08/zero-day-season-is-not-over-yet.html","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://immunityproducts.blogspot.com/2012/08/java-0day-analysis-cve-2012-4681.html","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://labs.alienvault.com/labs/index.php/2012/new-java-0day-exploited-in-the-wild/","tags":["Broken Link","Exploit"],"source":"cve@mitre.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00032.html","tags":["Mailing List"],"source":"cve@mitre.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00016.html","tags":["Mailing List"],"source":"cve@mitre.org"},{"url":"http://marc.info/?l=bugtraq&m=135109152819176&w=2","tags":["Issue Tracking","Mailing List","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://rhn.redhat.com/errata/RHSA-2012-1225.html","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/51044","tags":["Not Applicable"],"source":"cve@mitre.org"},{"url":"http://www.deependresearch.org/2012/08/java-7-vulnerability-analysis.html","tags":["Broken Link","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://www.oracle.com/technetwork/topics/security/alert-cve-2012-4681-1835715.html","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/55213","tags":["Broken Link","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://www.us-cert.gov/cas/techalerts/TA12-240A.html","tags":["Third Party Advisory","US Government Resource"],"source":"cve@mitre.org"},{"url":"https://community.rapid7.com/community/metasploit/blog/2012/08/27/lets-start-the-week-with-a-new-java-0day","tags":["Broken Link","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://blog.fireeye.com/research/2012/08/zero-day-season-is-not-over-yet.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://immunityproducts.blogspot.com/2012/08/java-0day-analysis-cve-2012-4681.html","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://labs.alienvault.com/labs/index.php/2012/new-java-0day-exploited-in-the-wild/","tags":["Broken Link","Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00032.html","tags":["Mailing List"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00016.html","tags":["Mailing List"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://marc.info/?l=bugtraq&m=135109152819176&w=2","tags":["Issue Tracking","Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2012-1225.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/51044","tags":["Not Applicable"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.deependresearch.org/2012/08/java-7-vulnerability-analysis.html","tags":["Broken Link","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.oracle.com/technetwork/topics/security/alert-cve-2012-4681-1835715.html","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/55213","tags":["Broken Link","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.us-cert.gov/cas/techalerts/TA12-240A.html","tags":["Third Party Advisory","US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://community.rapid7.com/community/metasploit/blog/2012/08/27/lets-start-the-week-with-a-new-java-0day","tags":["Broken Link","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2012-4681","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2012-4681","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."}