Actively exploited in the wild
Oracle JRE Sandbox Bypass Vulnerability
Oracle - Java Runtime Environment (JRE) · Listed in the CISA KEV since 2022-05-25. This indicates confirmed attacks in production environments.
Required action: Apply updates per vendor instructions.
CVE-2013-0431
MediumCVSS 5.3KEVExploitation Probability (EPSS)
Very high risk100th percentile - higher than 100% of all known CVEs
Summary
An 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.
Risk Assessment
Bypassing the Java sandbox could allow unauthorized code execution in the user's environment, posing a serious security threat.
Recommendation
Update Java SE to the latest available version with security fixes. Limit the use of Java applets and JMX-based applications.
Original NVD description (English source)
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.

