CVE-2018-14667: in the CISA KEV catalogue

Red Hat JBoss RichFaces Framework Expression Language Injection Vulnerability. CISA added CVE-2018-14667 to the Known Exploited Vulnerabilities catalogue on 2023-09-28 with a default due date of 2023-10-19. Known ransomware campaign use: Unknown. Forensic triage flag: No.

Red Hat JBoss RichFaces Framework contains an expression language injection vulnerability via the UserResource resource. A remote, unauthenticated attacker could exploit this vulnerability to execute malicious code using a chain of Java serialized objects via org.ajax4jsf.resource.UserResource$UriData. (CISA description)

Vendor / product: Red Hat JBoss RichFaces Framework
CWE: CWE-94
CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
EPSS: 74%, percentile 99 (scored 2026-11-03)

EPSS puts about 74 in 100 odds (74%) on exploitation activity being observed in the next 30 days. Its score is higher than or equal to that of 99% of scored CVEs. This is a model estimate about exploitation anywhere, not about your environment.

Vendor and reference links (from CISA)

Your own deadline under CISA BOD 26-04 depends on exposure, automatability and technical impact: work it out with the BOD 26-04 calculator.

Data dates. CISA KEV catalogue version 2026.11.03, released 2026-11-03, 1,767 entries (checked 2026-11-03). EPSS model v2026.06.15, scored 2026-11-03, 399,388 CVEs. Sources: CISA and FIRST (EPSS by FIRST; scores generated by Empirical Security). Copied to our own database and refreshed automatically; if a refresh fails, the previous copy keeps serving with its own date.

Frequently asked questions

Is CVE-2018-14667 in the CISA KEV catalogue?

Yes. CISA added CVE-2018-14667 (Red Hat JBoss RichFaces Framework Expression Language Injection Vulnerability) to the Known Exploited Vulnerabilities catalogue on 2023-09-28. CISA's default due date for it is 2023-10-19.

Is CVE-2018-14667 used in ransomware attacks?

CISA marks known ransomware campaign use as Unknown for CVE-2018-14667. That means CISA lacks confirmation, not that ransomware groups do not use it.

What should I do about CVE-2018-14667?

CISA's required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Sources

CISA, Known Exploited Vulnerabilities Catalog (accessed 2026-11-03)
FIRST, Exploit Prediction Scoring System (EPSS) (EPSS by FIRST; scores generated by Empirical Security)
NVD record for CVE-2018-14667