{"id":"CVE-2012-1723","published":"2012-06-16T21:55:03Z","modified":"2026-08-06T05:16:33Z","title":"Oracle Java SE Runtime Environment (JRE) Arbitrary Code Execution Vulnerability","vendor":"Oracle","product":"Java SE","tier":"core","eol":{"product":"Java SE 5/6/7","since":"2015-04-14","note":"No security updates; remove it."},"description":{"text":"Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 update 4 and earlier, 6 update 32 and earlier, 5 update 35 and earlier, and 1.4.2_37 and earlier allows remote attackers to affect confidentiality, integrity, and availability via unknown vectors related to Hotspot.","provenance":"source","from":"NVD"},"summary":{"text":"The Java Runtime Environment (JRE) component of Oracle Java SE contains an unspecified flaw, tied to the Hotspot virtual machine, in Java SE 7 update 4 and earlier, 6 update 32 and earlier, 5 update 35 and earlier, and 1.4.2_37 and earlier. A remote attacker with no privileges, authentication, or user interaction can exploit it through unknown vectors to compromise confidentiality, integrity, and availability.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T06:53:56Z"},"cvss":{"score":9.8,"severity":"CRITICAL","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.93566,"percentile":0.99841,"date":"2026-10-28","provenance":"source"},"kev":{"dateAdded":"2022-03-03","dueDate":"2022-03-24","ransomware":true,"requiredAction":"Apply updates per vendor instructions.","notes":"https://nvd.nist.gov/vuln/detail/CVE-2012-1723","provenance":"source"},"vulncheckKev":{"dateAdded":"2013-03-14","exploitedFirstSeen":"2013-03-14","ransomware":true,"evidence":[{"url":"https://blog.malwarebytes.com/threat-analysis/2013/03/new-exploit-kit-ransomware-and-av-evasion/","date":"2013-03-14"},{"url":"https://cybersecurity.att.com/blogs/labs-research/new-sykipot-developments","date":"2013-03-21"},{"url":"https://blogs.cisco.com/security/watering-hole-attacks-target-energy-sector","date":"2013-09-13"},{"url":"https://paper.seebug.org/papers/APT/APT_CyberCriminal_Campagin/2013/hidden_lynx.pdf","date":"2013-09-17"},{"url":"https://securelist.com/the-icefog-apt-a-tale-of-cloak-and-three-daggers/57331/","date":"2013-09-25"},{"url":"https://paper.seebug.org/papers/APT/APT_CyberCriminal_Campagin/2014/Dragonfly_Threat_Against_Western_Energy_Suppliers.pdf","date":"2014-07-07"},{"url":"https://securelist.com/the-epic-turla-operation/65545/","date":"2014-08-07"},{"url":"https://media.kasperskycontenthub.com/wp-content/uploads/sites/43/2018/03/08064459/Equation_group_questions_and_answers.pdf","date":"2015-02-01"},{"url":"https://www.recordedfuture.com/russian-apt-toolkits","date":"2016-08-04"},{"url":"https://cisa.gov/news-events/alerts/2015/04/29/top-30-targeted-high-risk-vulnerabilities","date":"2016-09-29"}],"evidenceTotal":20,"provenance":"source"},"exploited":true,"otx":{"pulseCount":50,"pulses":[{"name":"Actively_Exploited_Kev | Oct 29, 2026","url":"https://otx.alienvault.com/pulse/6ae20c1db17e7057ae7d9ad1","created":"2026-10-28"},{"name":"Actively_Exploited_Kev | Oct 28, 2026","url":"https://otx.alienvault.com/pulse/6ae0ba7e0e2a97ff7b218819","created":"2026-10-27"},{"name":"Actively_Exploited_Kev | Oct 27, 2026","url":"https://otx.alienvault.com/pulse/6adf68b85c3e852f3c111d18","created":"2026-10-26"},{"name":"Actively_Exploited_Kev | Oct 24, 2026","url":"https://otx.alienvault.com/pulse/6adb740e397c3ad4799aa4cd","created":"2026-10-23"},{"name":"Actively_Exploited_Kev | Oct 23, 2026","url":"https://otx.alienvault.com/pulse/6ada236fcfba2dfa730ea482","created":"2026-10-22"},{"name":"Actively_Exploited_Kev | Oct 22, 2026","url":"https://otx.alienvault.com/pulse/6ad8d33a077cbb5cab524d80","created":"2026-10-21"},{"name":"Actively_Exploited_Kev | Oct 21, 2026","url":"https://otx.alienvault.com/pulse/6ad78130c4d1ac2be83a8b6d","created":"2026-10-20"},{"name":"Actively_Exploited_Kev | Oct 20, 2026","url":"https://otx.alienvault.com/pulse/6ad62f63c24a405a3423cc13","created":"2026-10-19"},{"name":"Actively_Exploited_Kev | Oct 19, 2026","url":"https://otx.alienvault.com/pulse/6ad4dda174e5797d0bd238b7","created":"2026-10-18"},{"name":"Actively_Exploited_Kev | Oct 18, 2026","url":"https://otx.alienvault.com/pulse/6ad38c22e1848f8189d1c121","created":"2026-10-17"}],"provenance":"machine"},"cwes":[{"id":"CWE-284","name":"Improper Access Control"}],"references":[{"url":"http://mail.openjdk.java.net/pipermail/distro-pkg-dev/2012-June/019076.html","tags":["Mailing List"]},{"url":"http://marc.info/?l=bugtraq&m=134496371727681&w=2","tags":["Mailing List"]},{"url":"http://rhn.redhat.com/errata/RHSA-2012-0734.html","tags":["Third Party Advisory"]},{"url":"http://secunia.com/advisories/51080","tags":["Broken Link"]},{"url":"http://security.gentoo.org/glsa/glsa-201406-32.xml","tags":["Third Party Advisory"]},{"url":"http://www.ibm.com/support/docview.wss?uid=swg21615246","tags":["Broken Link"]},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2012:095","tags":["Broken Link"]},{"url":"http://www.oracle.com/technetwork/topics/security/javacpujun2012-1515912.html","tags":["Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/53960","tags":["Broken Link","Third Party Advisory","VDB Entry"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16259","tags":["Broken Link"]},{"url":"http://mail.openjdk.java.net/pipermail/distro-pkg-dev/2012-June/019076.html","tags":["Mailing List"]},{"url":"http://marc.info/?l=bugtraq&m=134496371727681&w=2","tags":["Mailing List"]},{"url":"http://rhn.redhat.com/errata/RHSA-2012-0734.html","tags":["Third Party Advisory"]},{"url":"http://secunia.com/advisories/51080","tags":["Broken Link"]},{"url":"http://security.gentoo.org/glsa/glsa-201406-32.xml","tags":["Third Party Advisory"]},{"url":"http://www.ibm.com/support/docview.wss?uid=swg21615246","tags":["Broken Link"]},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2012:095","tags":["Broken Link"]},{"url":"http://www.oracle.com/technetwork/topics/security/javacpujun2012-1515912.html","tags":["Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/53960","tags":["Broken Link","Third Party Advisory","VDB Entry"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16259","tags":["Broken Link"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2012-1723","tags":["US Government Resource"]}],"techniques":[{"id":"T1190","name":"Exploit Public-Facing Application","tactics":["initial-access"],"provenance":"source","basis":"ctid-cve","bases":["ctid-cve","ai-mapping"],"basisDetail":"CTID attack_to_cve (Phase 1); claude-haiku-5-5: remote network exploitation of exposed Java runtime","mappingType":"uncategorized","evidence":[{"from":"description","quote":"remote attackers to affect confidentiality, integrity, and availability","start":198,"end":269}],"confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"},{"id":"T1059","name":"Command and Scripting Interpreter","tactics":["execution"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: JRE flaw may enable code execution","mappingType":"primary_impact","evidence":[{"from":"description","quote":"Unspecified vulnerability in the Java Runtime Environment (JRE) component","start":0,"end":73}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"}],"reports":[{"id":"SRC-d67f55a1dbe32348fa9f","title":"The Epic Turla Operation","publisher":"media.kasperskycontenthub.com","url":"https://media.kasperskycontenthub.com/wp-content/uploads/sites/43/2018/03/08080105/KL_Epic_Turla_Technical_Appendix_20140806.pdf","date":null,"mentions":[{"quote":"- dropped by the Java CVE-2012-1723","start":7775,"end":7810}]},{"id":"SRC-93c55e10ab45afc37c85","title":"Microsoft Security","publisher":"download.microsoft.com","url":"https://download.microsoft.com/download/E/B/0/EB0F50CC-989C-4B66-B7F6-68CD3DC90DE3/Microsoft_Security_Intelligence_Report_Volume_21_English.pdf","date":null,"mentions":[{"quote":"2423, CVE-2013-1493, and CVE-2012-1723), and Silverlight (CVE-2013-3896","start":100096,"end":100167},{"quote":"CVE-2012-1723","start":102298,"end":102311},{"quote":" CVE-2012-1723, the most commonly encountered individual Java exploit in","start":103978,"end":104051},{"quote":"Java vulnerability - CVE-2012-1723” (August 1, 2012) in the Microsoft","start":104750,"end":104819},{"quote":"CVE-2012-1723, 56, 57, 58, 59","start":261353,"end":261382}]},{"id":"SRC-6455ab6c9917b3700d6d","title":"Version: 1.5","publisher":"media.kasperskycontenthub.com","url":"https://media.kasperskycontenthub.com/wp-content/uploads/sites/43/2018/03/08064459/Equation_group_questions_and_answers.pdf","date":null,"mentions":[{"quote":"• CVE-2012-1723 (Java).","start":14703,"end":14726},{"quote":"• Exploit.Java.CVE-2012-1723.ad","start":44178,"end":44209},{"quote":"• HEUR:Exploit.Java.CVE-2012-1723.gen","start":44211,"end":44248}]},{"id":"SRC-619721166ae9d9d7fdcd","title":"Microsoft Security","publisher":"download.microsoft.com","url":"https://download.microsoft.com/download/4/4/C/44CDEF0E-7924-4787-A56A-16261691ACE3/Microsoft_Security_Intelligence_Report_Volume_19_English.pdf","date":null,"mentions":[{"quote":"CVE-2012-1723","start":82497,"end":82510},{"quote":" CVE-2012-1723, the most commonly encountered individual Java exploit in","start":84481,"end":84554},{"quote":"“The rise of a new Java vulnerability - CVE-2012-1723”","start":85374,"end":85428},{"quote":"40, 43, 50, 65, 143\r\nCroatia, 128\r\nCrowti, 74, 80, 143\r\nCVE identifier, 31, 32, 40\r\nCVE-2009-0075, 54\r\nCVE-2010-0188, 52\r\nCVE-2010-0840, 47, 49\r\nCVE-2010-2568, 40, 43, 50\r\nCVE-2010-3336, 52\r\nCVE-2011-1823, 50, 51\r\nCVE-2011-3874, 50, 51\r\nCVE-2012-0158, 52\r\nCVE-2012-0507, 47, 49\r\nCVE-2012-1723, 47, 48,","start":237843,"end":238144}]}],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2012-1733","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2012-1733","exploited":true,"exploitedSince":"2022-03-03","provenance":"source"},"exploits":[{"id":19717,"url":"https://www.exploit-db.com/exploits/19717","title":"Java Applet - Field Bytecode Verifier Cache Remote Code Execution (Metasploit)","type":"remote","platform":"java","date":"2012-07-11","verified":true,"provenance":"source"}],"exploitSources":{"exploitdb":{"count":1,"earliest":"2012-07-11"},"pocGithub":{"count":1,"skipped":0,"earliest":"2017-02-20","earliestUrl":"https://github.com/EthanNJC/CVE-2012-1723","repos":[{"name":"EthanNJC/CVE-2012-1723","url":"https://github.com/EthanNJC/CVE-2012-1723","stars":0,"created":"2017-02-20"}]},"metasploit":[{"name":"Java Applet Field Bytecode Verifier Cache Remote Code Execution","module":"exploit/multi/browser/java_verifier_field_access","type":"exploit","disclosureDate":"2012-06-06","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/browser/java_verifier_field_access.rb"}],"first":{"date":"2012-06-06","source":"Metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/browser/java_verifier_field_access.rb"},"provenance":"source"},"exploitRefs":[],"flow":[{"stage":"primary","techniques":["T1059"],"provenance":"ai"},{"stage":"related","techniques":["T1190"],"provenance":"source"}],"timeline":[{"date":"2012-06-06","kind":"exploit-public","label":"First public exploit: Metasploit; later: Exploit-DB 2012-07-11, PoC-in-GitHub 2017-02-20","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/browser/java_verifier_field_access.rb","provenance":"source"},{"date":"2012-06-16","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2012-1723","provenance":"source"},{"date":"2013-03-14","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://blog.malwarebytes.com/threat-analysis/2013/03/new-exploit-kit-ransomware-and-av-evasion/","provenance":"source"},{"date":"2022-03-03","kind":"kev","label":"Added to CISA KEV (known ransomware use)","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","provenance":"source"},{"date":"2022-03-03","kind":"euvd-exploited","label":"ENISA EUVD: exploited","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2012-1733","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":"Metasploit","daysToKev":3547},"priority":{"score":73.8,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in CISA KEV and VulnCheck KEV"},{"name":"Recent KEV listing","points":0.0,"detail":"added 4977 days ago"},{"name":"Known ransomware use","points":10.0,"detail":"CISA KEV and VulnCheck KEV: Known"},{"name":"EPSS percentile","points":19.97,"detail":"percentile 0.9984"},{"name":"Named in threat reports","points":8.98,"detail":"4 reports"},{"name":"Public exploit code","points":5.0,"detail":"1 Exploit-DB entry; 1 PoC-in-GitHub repo; 1 Metasploit module"},{"name":"Mentioned in OTX pulses","points":3.0,"detail":"50 pulses"},{"name":"CVSS severity","points":6.86,"detail":"base score 9.8"},{"name":"End-of-life product","points":-15.0,"detail":"No patches exist; remove or isolate it"}]},"lineage":{"familyId":"fam-class-oracle-java-se-cwe-284"}}