CVE-2017-12149
CriticalExploitedPublic exploitjbossas: Arbitrary code execution via unrestricted deserialization in ReadOnlyAccessFilter of HTTP Invoker.
Published Aug 30, 2017 · Updated Oct 7, 2026
Key Facts
Patch immediately- CVE-2017-12149 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Jboss Enterprise Application Platform (Redhat), eap-parent (redhat), jbossas (redhat).
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Dec 2, 2017 and is known to be used in ransomware campaigns. Public exploit code is available.
- EPSS estimates a 91% probability of exploitation in the next 30 days.
- Fixed versions are available, including jbossas 0:5.2.0-24.ep5.el5, jbossas 0:5.2.0-24.ep5.el6.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
91%
Higher than 99.8% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings, used by ransomware
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2017-12149 brief as a PDF
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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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Dec 10, 2021 | Jun 10, 2022 | Known |
| Industry KEV feed | Dec 2, 2017 | Jun 10, 2022 | Known |
| CIRCL KEV | Dec 10, 2021 | Jun 10, 2022 | Known |
| ENISA EUVD | Dec 10, 2021 | n/a | Not reported |
Required action: Apply updates per vendor instructions.
Affected Products
13 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Jboss Enterprise Application PlatformRedhat | 5.0.0, 5.0.1, 5.1.0, 5.1.1, 5.1.2, 5.2.0, 5.2.1, 5.2.2 | n/a |
| eap-parentredhat | See advisory | n/a |
| jbossasredhat | >= n/a | 0:5.2.0-24.ep5.el5 |
Patched Releases
jbossas
0:5.2.0-24.ep5.el5, 0:5.2.0-24.ep5.el6
Timeline
Publicly disclosed
Aug 30, 2017
Added to Industry KEV feed
Dec 2, 2017
Added to CISA KEV
Dec 10, 2021
Added to CIRCL KEV
Dec 10, 2021
Added to ENISA EUVD
Dec 10, 2021
Last updated
Oct 7, 2026
Weakness Type
- CWE-502 Deserialization of Untrusted Data
References
- advisoryRHSA-2018:1607
- advisoryRHSA-2018:1608
- advisoryhttps://github.com/gottburgm/Exploits/tree/master/CVE-2017-12149
- advisory100591
- exploitVulnCheck exploitation report
FAQ
Common Questions.
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 d…
Affected: Jboss Enterprise Application Platform (Redhat) versions 5.0.0, 5.0.1, 5.1.0, 5.1.1, 5.1.2, 5.2.0, 5.2.1, 5.2.2; eap-parent (redhat); jbossas (redhat) versions >= n/a. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Dec 2, 2017 and is known to be used in ransomware campaigns.
Yes. It was added on Dec 10, 2021 with a federal remediation due date of Jun 10, 2022.
Public exploit code is available.
Fixed versions are available, including jbossas 0:5.2.0-24.ep5.el5, jbossas 0:5.2.0-24.ep5.el6.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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