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Vulnerabilities

Vulnerability · CVE-2017-12149

Red Hat JBoss Application Server Remote Code Execution Vulnerability

Published Oct 4, 2017 · catalog updated Oct 7, 2026 · Red Hat JBoss Application Server

Patch now

CVE-2017-12149 is in the CISA known-exploited catalog, due Jun 10, 2022. Confirm Red Hat JBoss Application Server against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
Critical9.8
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
90.71%
Remediation
Remediation guidance
Affected products
cpe redhat/jboss enterprise application platform · vendor Red Hat JBoss Application Server

In Jboss Application Server as shipped with Red Hat Enterprise Application Platform 5.2, it was found that the doFilter method in the ReadOnlyAccessFilter of the HTTP Invoker does not restrict classes for which it performs deserialization and thus allowing an attacker to execute arbitrary code via crafted serialized data.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe redhat/jboss enterprise application platform5.0.0
  • cpe redhat/jboss enterprise application platform5.0.1
  • cpe redhat/jboss enterprise application platform5.1.0
  • cpe redhat/jboss enterprise application platform5.1.1
  • cpe redhat/jboss enterprise application platform5.1.2
  • cpe redhat/jboss enterprise application platform5.2.0
  • cpe redhat/jboss enterprise application platform5.2.1
  • vendor Red Hat JBoss Application Serverversion unspecified

How to fix CVE-2017-12149

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2017-12149 is in the CISA known-exploited catalog, due Jun 10, 2022. Confirm Red Hat JBoss Application Server against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with redhat/jboss enterprise application platform 5.0.0; redhat/jboss enterprise application platform 5.0.1; redhat/jboss enterprise application platform 5.1.0; redhat/jboss enterprise application platform 5.1.1. Apply updates per vendor instructions.

What should an analyst verify?

CWE-502: Deserialization of Untrusted Data. EPSS 90.71%. The CISA KEV listing is the exploitation evidence. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 4, 2017 · Catalog

    Detected

    In Jboss Application Server as shipped with Red Hat Enterprise Application Platform 5.2, it was found that the doFilter method in the ReadOnlyAccessFilter of the HTTP Invoker does not restrict classes for which it performs deserialization and thus allowing an attacker to execute arbitrary code via crafted serialized data.

  2. Dec 10, 2021 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Jun 10, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Oct 7, 2026 · Catalog

    Updated

    In Jboss Application Server as shipped with Red Hat Enterprise Application Platform 5.2, it was found that the doFilter method in the ReadOnlyAccessFilter of the HTTP Invoker does not restrict classes for which it performs deserialization and thus allowing an attacker to execute arbitrary code via crafted serialized data.

Sources

  • CISA KEVConfirmed exploitationCVE-2017-12149

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

    cisa.gov
  • CVE.orgVulnerability recordCVE-2017-12149

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2017-12149

    30-day exploitation probability 90.7%

    first.org
  • Metasploit ModulesPublic exploit moduleauxiliary_scanner/http/jboss_vulnscan

    Public module reference (normal). Module source is not copied into this catalog.

    rapid7.com
  • NIST NVDVulnerability recordCVE-2017-12149

    In Jboss Application Server as shipped with Red Hat Enterprise Application Platform 5.2, it was found that the doFilter method in the ReadOnlyAccessFilter of the HTTP Invoker does not restrict classes for which it performs deserialization and thus allowing an attacker to execute

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2017-12149

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

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.