How severe is CVE-2018-14667?

CVE-2018-14667 has a CVSS score of 9.8/10, rated CRITICAL. Immediate patching is strongly recommended.

Which packages are affected by CVE-2018-14667?

Affected package information for CVE-2018-14667 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2018-14667?

No fixed version has been published for CVE-2018-14667 yet. Monitor the advisory for updates, apply mitigations recommended by the vendor, and use O3 Security to track when a fix becomes available in your stack.

Is CVE-2018-14667 actively exploited in the wild?

Yes. There are 7 known exploit references for CVE-2018-14667, including 4 in-the-wild exploitations observed on GitHub and other sources. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2018-14667?

CVE-2018-14667 has an EPSS (Exploit Prediction Scoring System) score of 89.5%, placing it in the 100th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. A score above 50% indicates significantly elevated exploitation risk — immediate patching is strongly recommended.

Is CVE-2018-14667 in the CISA Known Exploited Vulnerabilities catalog?

Yes. CVE-2018-14667 (Red Hat JBoss RichFaces Framework Expression Language Injection Vulnerability) was added to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2023-09-28. CISA required all US federal civilian agencies to remediate this vulnerability by 2023-10-19. The required action was: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. Being listed in the KEV catalog is the strongest possible confirmation of active exploitation — treat this as a critical priority.

What type of vulnerability is CVE-2018-14667?

CVE-2018-14667 is classified as Code Injection (CWE-94). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation. This is a high-impact weakness class that often enables remote code execution or data exposure.

Which products and versions are affected by CVE-2018-14667?

CVE-2018-14667 affects redhat enterprise linux (2 versions, e.g. 5.0, 6.0); redhat richfaces. Check the affected-products list on this page against your deployed version to confirm exposure.

When was CVE-2018-14667 published, and has it been updated?

CVE-2018-14667 was published on November 6, 2018 and was last updated on November 3, 2025. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CISA KEV·Added 2023-09-28 — agencies required to remediate by 2023-10-19

CVE-2018-14667

CRITICAL

The RichFaces Framework 3.X through 3.3.4 is vulnerable to Expression Language (EL) injection via the UserResource resource. A remote, unauthenticated attacker could exploit this to…

Published

Nov 6, 2018

Updated

Nov 3, 2025

Affected

0 pkgs

Patched

None yet

Exploits

7 known

EPSS Exploitation Probability

via FIRST.org ↗

89.5%probability of exploitation in next 30 days

Very High Risk100th percentile0.00%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Description

The RichFaces Framework 3.X through 3.3.4 is vulnerable to Expression Language (EL) injection via the UserResource resource. A remote, unauthenticated attacker could exploit this to execute arbitrary code using a chain of java serialized objects via org.ajax4jsf.resource.UserResource$UriData.

Affected Products

2 products · 3 configurations

enterprise linuxredhat

2 versions

5.06.0

Application

richfacesredhat

≥ 3.1.0 && ≤ 3.3.4

range

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

The RichFaces Framework 3.X through 3.3.4 is vulnerable to Expression La…

slideshare.netAwesomePocJun 2020

The RichFaces Framework 3.X through 3.3.4 is vulnerable to Expression La…

github.comGithubNov 2018

The RichFaces Framework 3.X through 3.3.4 is vulnerable to Expression La…

github.comGithubSep 2019

The RichFaces Framework 3.X through 3.3.4 is vulnerable to Expression La…

cisa.govCISASep 2023

Frequently Asked Questions

O3 Security · Impact-Aware SCA

Is CVE-2018-14667 in your stack?

O3 detects CVE-2018-14667 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

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CVSS Score

9.8/10

CVSS v3 base score

Vector breakdown

AV:Attack Vector

Network

AC:Attack Complexity

Low

PR:Privileges Required

None

UI:User Interaction

None

S:Scope

Unchanged

C:Confidentiality

High

I:Integrity

High

A:Availability

High

Raw vector

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

CWE Classification

CWE-94Code Injection

Weaponization

No known public exploit tooling found.

Timeline

Disclosed

Nov 6, 2018

First exploit

Jun 26, 2020

KEV added

Sep 28, 2023

Last updated

Nov 3, 2025

Identifiers

CVE-2018-14667

References

Advisorypacketstormsecurity.com Advisoryseclists.org Advisorysecuritytracker.com Advisoryaccess.redhat.com Advisoryaccess.redhat.com Advisoryaccess.redhat.com Advisoryaccess.redhat.com Advisorybugzilla.redhat.com Advisorypacketstormsecurity.com Advisoryseclists.org Advisorysecuritytracker.com Advisoryaccess.redhat.com Advisoryaccess.redhat.com Advisoryaccess.redhat.com Advisoryaccess.redhat.com Advisorybugzilla.redhat.com Webcisa.gov

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