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Weekly Signal
Live intelligence Updated 20 Aug 2026 · 12:21 UTC

Red Hat, Redhat · JBoss RichFaces Framework, Enterprise Linux, Richfaces

CVE-2018-14667

Red Hat JBoss RichFaces Framework Expression Language Injection Vulnerability

Recommended action

Validate affected assets and exposure now, then remediate on an accelerated schedule. Red Hat Security advisory RHSA-2018:3517

View response plan
CVSS9.8
EPSS74.2%
KEVYes
ExploitationConfirmed exploitation
RemediationNot yet verified ↓

Assessment

Why it matters

CISA lists this vulnerability as known to be exploited; exploitation is confirmed; EPSS is 74.2%; technical severity is CVSS 9.8.

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.

Who should care

  • Teams operating JBoss RichFaces Framework, Enterprise Linux, Richfaces
  • Vulnerability and exposure management teams
  • Security operations teams monitoring exploitation activity

Response plan

What I would do

  1. Confirm whether JBoss RichFaces Framework, Enterprise Linux, Richfaces is present in the environment.
  2. Identify affected versions and establish whether vulnerable services are exposed or reachable.
  3. Red Hat Security advisory RHSA-2018:3517
  4. Review relevant security telemetry for evidence of attempted or successful exploitation.
  5. Document the remediation decision and track it to verified completion.

Treatment intelligence

Remediation intelligence

Not yet verified

Vendor sources are listed before government and third-party guidance. Confirm product applicability and change prerequisites before deployment.

Verification noteAutomated link verification has not completed for this guidance yet.

Advisory

Required Action

Technical details

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-94
Affected versions
Red Hat JBoss RichFaces Framework; Redhat Enterprise Linux (Version 5.0 | Version 6.0); Redhat Richfaces (Start Including 3.1.0, End Including 3.3.4)
Fixed versions
No explicit fixed version is currently recorded.
Published
6 November 2018
Attack vector
Network
Privileges required
None
User interaction
None

Signal timeline

  1. CVE published
  2. Added to CISA KEV
  3. Latest EPSS score: 74.2%
  4. Signal calculated at 82

External references

Live public intelligence This assessment combines public-source evidence. Validate the affected product, version and exposure against your own environment before making a risk decision.