SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2012-5076

Oracle Java SE Sandbox Bypass Vulnerability

KEVEXPLOIT ×2 ✓CRITICAL 9.8EPSS 91.3%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 18 April 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 Update 7 and earlier allows remote attackers to affect confidentiality, integrity, and availability, related to JAX-WS.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
91.25% probability · 100th percentile
Public exploits
2 in Exploit-DB · verified · first 13 November 2012
CISA KEV
Listed 28 March 2022 · due 18 April 2022
Weakness
CWE-284
Affected
oracle/jre · suse/linux enterprise desktop
Source
secalert_us@oracle.com
EPSS trend
0%48%95%26 October 2026: 91.25%26 October 202626 October 2026

EPSS 91.3% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

CISA notes

Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2012-5076

Public exploits (2)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-24309source ↗Java Applet - AverageRangeStatisticImpl Remote Code Execution (Metasploit)java · Metasploitremote24 January 2013yes
EDB-22657source ↗Java Applet - JAX-WS Remote Code Execution (Metasploit)multiple · Metasploitremote13 November 2012yes

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.