CVE-2017-12149

Name: CVE-2017-12149
Creator: NVD / NIST
Published: 2017-10-04T21:01:00.18+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10Actively ExploitedEPSS 90.71%

Last modified Jun 17, 2026

CVE-2017-12149 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. CISA has confirmed active exploitation in the wild. EPSS estimates a 90.71% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

90.71%

99.8th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by Jun 10, 2022.

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Redhat	Jboss Enterprise Application Platform	All versions
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
Redhat	Jboss Enterprise Application Platform	5.1.2
Redhat	Jboss Enterprise Application Platform	5.2.0
Redhat	Jboss Enterprise Application Platform	5.2.1
Redhat	Jboss Enterprise Application Platform	5.2.2

References

http://www.securityfocus.com/bid/100591Broken Link, Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2018:1607Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1608Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1486220Issue Tracking
https://github.com/gottburgm/Exploits/tree/master/CVE-2017-12149Third Party Advisory
http://www.securityfocus.com/bid/100591Broken Link, Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2018:1607Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1608Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1486220Issue Tracking
https://github.com/gottburgm/Exploits/tree/master/CVE-2017-12149Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-12149US Government Resource

Timeline

Published: Oct 4, 2017
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2017-12149?

How severe is CVE-2017-12149?

CVE-2017-12149 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 90.71% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2017-12149?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-12149?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST