HOMEVULNERABILITIESCVE-2017-12149
HIGHCISA KEVIN THE WILD

CVE-2017-12149

Published: December 10, 2021

EPSS:94.29%probability of exploitation in 30 daysPercentile:99.9th

Official Description

The JBoss Application Server, shipped with Red Hat Enterprise Application Platform 5.2, allows an attacker to execute arbitrary code via crafted serialized data.

NVD Source

CISA KEV Advisory

Red Hat JBoss Application Server Remote Code Execution Vulnerability

The JBoss Application Server, shipped with Red Hat Enterprise Application Platform 5.2, allows an attacker to execute arbitrary code via crafted serialized data.

Added to KEV: 2021-12-10Federal patch deadline: 2022-06-10⚠ USED IN RANSOMWARE CAMPAIGNS
Required Action (CISA)

Apply updates per vendor instructions.

Risk Analysis

The JBoss Application Server, as shipped with Red Hat Enterprise Application Platform 5.2, is vulnerable to arbitrary code execution via crafted serialized data. The high EPSS score of 0.94294 indicates a very high likelihood of exploitation, making this a critical vulnerability.

This vulnerability is actively being exploited in the wild and is listed in CISA's KEV catalog. It is remotely exploitable.

Recommended Action

Apply all available security updates for Red Hat Enterprise Application Platform 5.2 and JBoss Application Server. Ensure proper deserialization practices are followed and untrusted input is not deserialized.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2017-12149 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2017-12149 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.

Affected Vendors & Products

Mentioned vendors (from description):
Red Hat
CPE data not yet available in NVD for this CVE.

Exploit & PoC Resources

ACTIVE EXPLOITATIONConfirmed exploitation in the wild
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All References (1)

Quick Facts

CVE IDCVE-2017-12149
SeverityHIGH
CISA KEVYES — Active Exploitation
ExploitIN THE WILD
EPSS (30d)94.29%
PublishedDec 10, 2021

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2017-12149 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
  • !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
  • !Active exploitation confirmed — treat as P1
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.