How severe is CVE-2017-12149?

CVE-2017-12149 has a CVSS 3.1 base score of 9.8 (CRITICAL). EPSS estimates a 90.7% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2017-12149: Red Hat JBoss Application Server Remote Code

CISA Known Exploited Vulnerabilities

Red Hat JBoss Application Server Remote Code Execution Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2021-12-10

Remediation due

2022-06-10

Ransomware

Known use

Required action
Apply updates per vendor instructions.

CISA notes
https://nvd.nist.gov/vuln/detail/CVE-2017-12149

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.

Severity

CVSS 3.1 · CISA9.8 CRITICAL

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

SSVC · CISA-ADP

Exploitationactive

Automatableyes

Technical impacttotal

Affected Products

Vendor	Product	Affected versions
Red Hat, Inc.	jbossas	n/a

References

5 Links

Vendor advisories

Vulnerability databases

100591

Other references

Record Details

Published

2017-10-04

Last updated

2026-08-13

Assigner (CNA)

redhat

Credited to

Related Tool Categories

Tool categories that test for or protect against this vulnerability class.

CWE-502 · Deserialization of Untrusted Data

Application Security Tools Penetration Testing Tools

CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.