How severe is CVE-2018-14667?

CVE-2018-14667 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-14667 being actively exploited?

Yes. CVE-2018-14667 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2023-09-28, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2018-14667?

CVE-2018-14667 primarily affects Redhat Richfaces. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-14667?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2018-14667 have an EU (EUVD) identifier?

Yes. CVE-2018-14667 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-4307. It is also flagged as exploited in the EUVD (since 2023-09-28).

When was CVE-2018-14667 published?

CVE-2018-14667 was published on 2018-11-06 and last updated on 2026-06-17.

CVE-2018-14667

CVE-2018-14667 is a critical-severity vulnerability in Redhat Richfaces with a CVSS 3.x base score of 9.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2023-09-28). The underlying weakness is classified as CWE-94.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 74% (99th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2023-09-28)
EU (EUVD) id: EUVD-2022-4307
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2023-09-28)
Weakness: CWE-94
Affected product: Redhat Richfaces
Published: 2018-11-06
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2018-14667?: CVE-2018-14667 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-14667 being actively exploited?: Yes. CVE-2018-14667 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2023-09-28, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2018-14667?: CVE-2018-14667 primarily affects Redhat Richfaces. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-14667?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2018-14667 have an EU (EUVD) identifier?: Yes. CVE-2018-14667 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-4307. It is also flagged as exploited in the EUVD (since 2023-09-28).
When was CVE-2018-14667 published?: CVE-2018-14667 was published on 2018-11-06 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:redhat:richfaces:*:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*

More vulnerabilities in Redhat Richfaces

CVE-2018-12533 — Critical (CVSS 9.8): JBoss RichFaces 3.1.0 through 3.3.4 allows unauthenticated remote attackers to inject expression language (EL)…
CVE-2018-12532 — Critical (CVSS 9.8): JBoss RichFaces 4.5.3 through 4.5.17 allows unauthenticated remote attackers to inject an arbitrary expression language…
CVE-2013-2165 — High (CVSS 7.5): ResourceBuilderImpl.java in the RichFaces 3.x through 5.x implementation in Red Hat JBoss Web Framework Kit before…
CVE-2015-0279 — Medium (CVSS 6.8): JBoss RichFaces before 4.5.4 allows remote attackers to inject expression language (EL) expressions and execute…
CVE-2014-0086 — Medium (CVSS 4.3): The doFilter function in webapp/PushHandlerFilter.java in JBoss RichFaces 4.3.4, 4.3.5, and 5.x allows remote attackers…

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