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CVE-2012-1154

CVE-2012-1154 is a CWE-264 vulnerability in redhat jboss enterprise application platform. O3 Security detects and blocks CVE-2012-1154 exploitation at runtime via eBPF exploit-chain detection and L7 egress monitoring, even on unpatched systems.

mod_cluster 1.0.10 before 1.0.10 CP03 and 1.1.x before 1.1.4, as used in JBoss Enterprise Application Platform 5.1.2, when "ROOT" is set to excludedContexts, exposes the root context…

Published
Oct 22, 2012
Updated
Jun 16, 2026
Affected
2 products
Patched
See advisory
Exploits
None indexed

Description

mod_cluster 1.0.10 before 1.0.10 CP03 and 1.1.x before 1.1.4, as used in JBoss Enterprise Application Platform 5.1.2, when "ROOT" is set to excludedContexts, exposes the root context of the server, which allows remote attackers to bypass access restrictions and gain access to applications deployed on the root context via unspecified vectors.

Affected Products

2 products · 7 configurations
Application
jboss enterprise application platformredhat
1 version
5.1.2
Application
mod clusterredhat
6 versions
1.0.101.1.01.1.11.1.21.1.31.1.4

Detection & mitigation playbook

Vendor / appliance
  1. Detect

    Inventory every redhat jboss enterprise application platform deployment and check each version against the affected-products list above. Because the exploit targets the running system rather than your application code, also watch for exploitation at the network and runtime layer — O3 flags the exploit behaviour from runtime telemetry and egress traffic even before a vulnerable build is confirmed.

  2. Remediation status

    No patch has shipped for CVE-2012-1154 yet — track the redhat jboss enterprise application platform advisory for a fixed release and apply the workarounds below in the meantime.

  3. Mitigate without a patch

    Cut exposure now: restrict the management/admin interface to trusted networks, segment the device, and apply the vendor's recommended configuration mitigations and any WAF/IPS signature. O3's runtime protection blocks the exploit chain at execution, holding the line on unpatched or end-of-life systems until you can patch.

  4. How O3 protects you

    O3 detects and blocks CVE-2012-1154 exploitation at runtime: eBPF exploit-chain detection, plus L7 egress monitoring that catches the post-exploitation callback and severs the attacker's outbound channel.

Tailored to CVE-2012-1154. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

mod_cluster 1.0.10 before 1.0.10 CP03 and 1.1.x before 1.1.4, as used in JBoss Enterprise Application Platform 5.1.2, when "ROOT" is set to excludedContexts, exposes the root context of the server, which allows remote attackers to bypass access restrictions and gain access to applications deployed on the root context via unspecified vectors.
O3 Security · Runtime Protection

Is CVE-2012-1154 being exploited in your environment?

O3's eBPF runtime sensors and L7 egress monitoring detect and block the CVE-2012-1154 exploit chain at execution — protecting unpatched and end-of-life systems until the vendor patch is applied.