{"id":"CVE-2013-0431","kind":"vulnerability","aliases":["CVE-2013-0431"],"related":[],"title":"Oracle Java Runtime Environment (JRE): Oracle JRE Sandbox Bypass Vulnerability","description":"Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 through Update 11, and OpenJDK 7, allows user-assisted remote attackers to bypass the Java security sandbox via unspecified vectors related to JMX, aka \"Issue 52,\" a different vulnerability than CVE-2013-1490.","summary":"Oracle Java Runtime Environment has an unspecified flaw that lets a remote attacker bypass the Java security sandbox. CISA lists it as actively exploited in the wild, and an EPSS score of 0.901 means exploitation is very likely.","severity":"high","cvss":5.0,"epss":0.9015,"exploited":true,"exploited_at":"2022-05-25T00:00:00+00:00","products":[{"name":"Oracle Java Runtime Environment (JRE)","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["browsers","desktop","exploited","java","oracle-jre","ransomware","runtime"],"not_affected_if":["java-disabled-in-browser","no-java-installed"],"how_to_check":null,"fix":"Apply the Oracle Java update per vendor instructions, as CISA requires. Specific fixed version: unknown","status":"open","published_at":"2013-01-31T14:55:01+00:00","first_seen_at":"2026-10-23T19:11:52+00:00","triaged_at":"2026-10-23T21:15:37+00:00","updated_at":"2026-10-23T21:57:35+00:00","category":"runtime","confidence":0.7,"triage":{"at":"2026-10-23T21:15:37Z","model":"claude-haiku-5-5","output":{"fix":"Apply the Oracle Java update per vendor instructions, as CISA requires. Specific fixed version: unknown","reach":"internet","impact":"high","summary":"Oracle Java Runtime Environment has an unspecified flaw that lets a remote attacker bypass the Java security sandbox. CISA lists it as actively exploited in the wild, and an EPSS score of 0.901 means exploitation is very likely.","category":"runtime","who_cares":["java","oracle-jre","browsers","desktop"],"confidence":0.7,"needs_auth":"no","worst_case":"Attacker escapes Java sandbox and runs code on the victim's machine","analyst_note":"Find the fixed Java version and detection steps for CVE-2013-0431 in Oracle's security alerts and the CISA KEV entry; sources give neither.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["no-java-installed","java-disabled-in-browser"],"user_interaction":"yes","needs_special_setup":"yes","severity_if_unknown":"high"},"cost_usd":0.000471,"input_tokens":2854,"output_tokens":371,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-0431':13A,16A '-1490':116C '-2013':12A,15A,115C '0.901':63B '11':85C '52':109C '7':82C,88C 'activ':53B 'aka':107C 'allow':89C 'assist':92C 'attack':43B,94C 'browser':22B 'bypass':9A,44B,96C 'cisa':49B 'compon':77C 'cve':11A,14A,114C 'desktop':23B 'differ':111C 'environ':4A,34B,75C 'environment':20A 'epss':60B 'exploit':24B,54B,65B 'flaw':38B 'issu':108C 'java':2A,18A,25B,32B,46B,73C,80C,98C 'jmx':106C 'jre':5A,7A,21A,28B,76C 'let':40B 'like':68B 'list':50B 'mean':64B 'openjdk':87C 'oracl':1A,6A,27B,31B,79C 'oracle':17A 'oracle-jr':26B 'ransomwar':29B 'relat':104C 'remot':42B,93C 'runtim':3A,30B,33B,74C 'runtime':19A 'sandbox':8A,48B,100C 'score':61B 'se':81C 'secur':47B,99C 'unspecifi':37B,69C,102C 'updat':84C 'user':91C 'user-assist':90C 'vector':103C 'via':101C 'vulner':10A,70C,112C 'wild':57B","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2013-01-31T14:55:01+00:00","kev":{"dateAdded":"2022-05-25","dueDate":"2022-06-15","requiredAction":"Apply updates per vendor instructions.","knownRansomwareCampaignUse":"Known"},"cvss_vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","cvss_by":"134c704f-9b21-4f2e-91b3-4a467353bcc0","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2013-0431","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2013-0431","severity":null,"published_at":"2022-05-25T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:52+00:00","fetched_at":"2026-10-25T10:39:06+00:00","note":null},{"source":"epss","external_id":"CVE-2013-0431","url":"https://api.first.org/data/v1/epss?cve=CVE-2013-0431","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-23T19:13:45+00:00","fetched_at":"2026-10-23T19:13:45+00:00","note":null},{"source":"nvd","external_id":"CVE-2013-0431","url":"https://nvd.nist.gov/vuln/detail/CVE-2013-0431","severity":null,"published_at":"2013-01-31T14:55:01+00:00","modified_at":"2026-10-02T14:55:14+00:00","first_seen_at":"2026-10-23T21:57:35+00:00","fetched_at":"2026-10-23T21:57:35+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}