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CVE-2016-3427 is a vulnerability in the JMX component of Oracle Java SE, Java SE Embedded, and JRockit. Affected releases include Java SE 6u113, 7u99, and 8u77; Java SE Embedded 8u77; and JRockit R28.3.9. The flaw permits unsafe deserialization of attacker-controlled Java objects during JMX interaction, enabling abuse of available gadget chains and execution of unauthorized operations. It was addressed by Oracle's April 2016 Critical Patch Update.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
6 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An Oracle vulnerability whose fix was not incorporated into Tomcat's JmxRemoteLifecycleListener, leading to the related Tomcat remote code execution issue tracked as CVE-2016-8653.
An Oracle vulnerability whose fix was not incorporated into JmxRemoteLifecycleListener, resulting in CVE-2016-8735. No further technical details are provided.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.