Threats / Oracle / CVE-2013-0431
CVE-2013-0431
· EUVD no mirror located
· GCVE no mirror located
Verified 2026-06-22
Oracle Java Runtime Environment (JRE) vulnerability
Unspecified vulnerability in Oracle Java Runtime Environment allows remote attackers to bypass the Java security sandbox, enabling arbitrary code execution.
Verdict
Today item, not a backlog item.
This sandbox escape vulnerability poses critical risk. Active exploitation in the wild and association with ransomware campaigns demonstrate immediate threat. Organizations running Java applications face direct compromise risk without patching.
01
Is it exploitable?
— the evidence, ranked above the scoreReported exploitation
4 independent public reports of in-the-wild exploitation are cataloged.Distinct reporting sources (vendor, incident response, government); open them for the underlying claims.
Exploited in the wild
Listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-05-25), flagged for known ransomware use.
Probability (EPSS)
EPSS 0.89987 — modeled likelihood of exploitation activity.EPSS is a daily-changing model output — open the source for today's value.
Severity / affected
Affected: Oracle, Java Runtime Environment (JRE). Confirm exact fixed builds in the vendor advisory.
02
Who’s exploiting it?
— attribution turns risk into urgencyAttribution not established
No confirmed (advisory-backed) threat-actor attribution is established for this record. Absence of a named actor is not absence of compromise — see Coverage & confidence.
03
Why it matters
— the attack path, told twice: adversary, then board1
Front door — unauthenticated access narrative 1
Attacker
I deliver malicious Java applet or application to a target system via web browser or email.
Business
End-user systems become vulnerable to remote code execution without user awareness of the threat.
2
Keys to the kingdom — privilege/identity takeover narrative 2
Attacker
I exploit the sandbox bypass to execute arbitrary code with the privileges of the Java process.
Business
Attacker gains foothold on the network with ability to move laterally and establish persistence.
3
Lateral reach — past segmentation narrative 3
Attacker
I deploy ransomware or data exfiltration tools across compromised systems.
Business
Organization suffers operational disruption, data loss, and financial extortion demands.
04
What to do
— defensible action- Remediate per the vendor advisory — confirm the fixed build for your version and verify exposure.1
Say it to the boardA vulnerability with this evidence profile is a defensible budget line, not a backlog ticket — fund the change against the proof above.
05