Technical Severity
CRITICAL
CVSS v3.1 Metrics
9.8
/ 10
Minimal Risk
Critical
Vector Specification
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitation Likelihood
EPSS Prediction
89.37
%
Predictive Probability
Percentile Rank
99.5
th
Documented as more likely to be exploited than 99.5% of known CVEs.
Detection Date
Sep 28, 2023
Remediation Due
Oct 19, 2023
CISA Catalog Active
Threat Analysis
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.
Remediation Directive
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.