CVE-2017-12149
Red Hat JBoss Application Server Remote Code Execution Vulnerability
- Critical 9.8
- Exploited: added to CISA KEV 10 Dec 2021
- Used in ransomware campaigns
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.
Key facts
- Published
- 4 Oct 2017
- Last changed
- 7 Oct 2026
- Assigned by
- redhat
- KEV added
- 10 Dec 2021
- KEV fix due
- 10 Jun 2022
- Used in ransomware
- Yes, according to CISA
- EPSS
- 90.713% likely to be exploited in the next 30 days, higher than 99.807% of CVEs (scores for 15 Nov 2026)
- SSVC (CISA)
- Exploitation: active; Automatable: yes; Technical impact: total
Severity scores
Each score is shown as its source gave it. They are not averaged or merged.
- 9.8CVSS 3.1, Criticalfrom CISA (ADP container)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
What to do
- Apply updates per vendor instructions.CISA KEV required action
Historical context and remediation
This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.
No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.
Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Red Hat, Inc. | jbossas |
|
Timeline
- 4 Oct 2017 Published
- 10 Dec 2021 Added to the CISA KEV catalogue