Exploited CVEs / Red Hat / CVE-2017-12149
CVE-2017-12149
Actively exploited Red Hat JBoss Application Server vulnerability, Critical severity, CVSS 9.8. Added to the CISA KEV catalog 2021-12-10.
Red Hat JBoss Application Server Remote Code Execution Vulnerability. Exploitation in the wild is confirmed by CISA, not predicted, and the vulnerability is known to be used in ransomware campaigns. Federal agencies were required to remediate by 2022-06-10 (that deadline has passed); treat that date as the outer bound for your own environment. Check the vendor security advisory for the fix.
Risk summary
Ask your own AI about CVE-2017-12149
Copy this prompt into Claude, ChatGPT, or Copilot. The facts are included, sourced from this page.
CISA required action
Federal (BOD 22-01) remediation due date: 2022-06-10 (past due).
Apply updates per vendor instructions.
Official fix for CVE-2017-12149
Check the vendor's security advisory channel for the patched JBoss Application Server versions and workarounds.
Common questions about CVE-2017-12149
Is CVE-2017-12149 actively exploited?
Yes. CVE-2017-12149 was added to the CISA Known Exploited Vulnerabilities (KEV) catalog on 2021-12-10, which means exploitation in the wild has been confirmed, not predicted. Its EPSS 30-day exploitation probability is 91%. CISA also reports it is known to be used in ransomware campaigns.
What is the CISA deadline and required action for CVE-2017-12149?
CISA set the federal (BOD 22-01) remediation due date at 2022-06-10, which has passed; treat any unremediated system as overdue. The verbatim required action: Apply updates per vendor instructions.
What fixes CVE-2017-12149?
Check the vendor's security advisory for the patched JBoss Application Server versions and any workarounds. KEV listing makes this a fix-first item: patch it ahead of higher-CVSS issues nobody is exploiting.
Can I ask my own AI about CVE-2017-12149?
Yes. This page includes a free, ready-to-paste AI prompt containing CVE-2017-12149's key facts: severity, CVSS, EPSS, the KEV date, the CISA due date, and the required action. Copy it into Claude, ChatGPT, or Copilot; the data is refreshed daily.
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