CVE-2012-0874 is a missing-authentication vulnerability in the JMXInvokerHAServlet and EJBInvokerHAServlet invoker servlets in certain JBoss Enterprise Application Platform, Enterprise Web Platform, BRMS Platform, and SOA Platform profiles. Affected configurations permit unauthenticated access to the invoker servlets by default. An attacker may invoke MBean methods and potentially achieve arbitrary code execution when the security interceptor does not enforce a properly configured second layer of authentication, or when another flaw bypasses that layer.
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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.
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Patch, then assume compromise.
No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
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.
7 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A remote code execution vulnerability in Apache Commons Collections caused by unsafe deserialization of gadget classes, including InvokerTransformer, InstantiateFactory, and InstantiateTransformer. Applications or exposed interfaces that deserialize attacker-controlled data may be vulnerable.
A remote-code-execution vulnerability in Apache Commons Collections caused by unsafe Java deserialization. Gadget classes such as InvokerTransformer, InstantiateFactory, and InstantiateTransformer could execute code when deserialized. Upstream addressed the issue by disabling deserialization of unsafe transformer and factory classes by default.
A default unauthenticated access issue in JBoss invoker servlets that could lead to arbitrary code execution if the secondary security interceptor was misconfigured or disabled.
An authentication-default weakness in JBoss invoker servlets that can permit remote invocation of MBean methods and arbitrary-code execution. Exploitation requires that the interceptor lacks a properly configured second authentication layer, or is paired with another vulnerability that bypasses that layer.
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.