What is CVE-2018-14667?

CVE-2018-14667 is a critical-severity vulnerability in [Unknown] Richfaces, classified under Code Injection. CVSS score: 9.8/10. Published 2018-11-06.

How severe is CVE-2018-14667?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2018-14667 known to be exploited?

Yes. CVE-2018-14667 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-09-28), indicating it is being actively exploited. 24 public proof-of-concept repositories are indexed.

RCE in [Unknown] Richfaces

CVE-2018-14667

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.

Vulnerability class: RCE (Remote Code Execution)

Published 2018-11-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.742 (99.5th percentile), scored 2026-10-19.

High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.742 · newest: 0.742 · change: +0.000

Affected products

[Unknown] Richfaces — versions affected 3.X through 3.3.4
Red Hat Enterprise Linux — versions 5.0, 6.0
Red Hat Richfaces

Weakness classification (CWE)

CWE-94 — Code Injection

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2023-09-28. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2023-10-19.

Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Public proof-of-concept exploits

References

bugzilla.redhat.com/show_bug.cgi (Issue Tracking, Vendor Advisory)
access.redhat.com/errata/RHSA-2018:3519 (vendor-advisory, Vendor Advisory)
access.redhat.com/errata/RHSA-2018:3581 (vendor-advisory, Vendor Advisory)
access.redhat.com/errata/RHSA-2018:3518 (vendor-advisory, Vendor Advisory)
access.redhat.com/errata/RHSA-2018:3517 (vendor-advisory, Vendor Advisory)
www.securitytracker.com/id/1042037 (VDB Entry, Third Party Advisory, vdb-entry)
packetstormsecurity.com/files/156663/Richsploit-RichFaces-Exploitation-Toolkit… (VDB Entry, Third Party Advisory)
seclists.org/fulldisclosure/2020/Mar/21 (mailing-list, Mailing List, Third Party Advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)

Frequently asked questions

What is CVE-2018-14667?: CVE-2018-14667 is a critical-severity vulnerability in [Unknown] Richfaces, classified under Code Injection. CVSS score: 9.8/10. Published 2018-11-06.
How severe is CVE-2018-14667?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2018-14667 known to be exploited?: Yes. CVE-2018-14667 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-09-28), indicating it is being actively exploited. 24 public proof-of-concept repositories are indexed.