Oracle Java SE Sandbox Bypass Vulnerability

Added to KEV
2022-03-28
Federal due date
2022-04-18
Vendor
Oracle
Product
Java SE
EPSS
99.7th percentile (score 0.914, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Unknown
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2012-5076

CISA short description

The default Java security properties configuration did not restrict access to the com.sun.org.glassfish.external and com.sun.org.glassfish.gmbal packages. An untrusted Java application or applet could use these flaws to bypass Java sandbox restrictions.

Required action

Apply updates per vendor instructions.

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.