CVE-2017-12149 — Red Hat JBoss Application Server Remote Code Execution Vulnerability
Overview
The JBoss Application Server, shipped with Red Hat Enterprise Application Platform 5.2, allows an attacker to execute arbitrary code via crafted serialized data.
Vulnerability details
- CVE ID
- CVE-2017-12149
- Vulnerability
- Red Hat JBoss Application Server Remote Code Execution Vulnerability
- Vendor
- Red Hat
- Affected products
- Red Hat: JBoss Application Server
- Severity
- HIGH
- Exploitation status
- Actively exploited in the wild (CISA KEV)
- Published
- 2021-12-10
Remediation guidance
CVE-2017-12149 is in CISA's Known Exploited Vulnerabilities (KEV) catalog — U.S. federal civilian agencies are required to remediate it under Binding Operational Directive 22-01. Treat it as a priority for every environment.
Apply the vendor's official security update for Red Hat the affected product as soon as possible. Where a patch is unavailable, apply vendor mitigations or isolate/segment exposed systems.
Hunt for indicators of compromise tied to this vulnerability and confirm logging/EDR coverage on affected assets.
Authoritative references
Remediate CVE-2017-12149 — and stay ahead of the next one
CVE-2017-12149 is listed in the CISA KEV catalog as actively exploited — treat remediation as urgent. Scan your domain free to see whether CVE-2017-12149 and other Red Hat issues affect you and get a prioritized remediation report (full report from ₹999) — or stream the full feed of 1,600+ actively-exploited CVEs straight into your SOC.
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