RCE in Redhat Richfaces

CVE-2018-12532

JBoss RichFaces 4.5.3 through 4.5.17 allows unauthenticated remote attackers to inject an arbitrary expression language (EL) variable mapper and execute arbitrary Java code via a MediaOutputResource's resource request, aka RF-14309.

Vulnerability class: Log4Shell (CVE-2021-44228)

EPSS: 0.070 (93.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-12532?
CVE-2018-12532 is a critical-severity vulnerability in Redhat Richfaces, classified under Improper Neutralization of Special Elements used in an Expression Language Statement (Expression Language Injection). CVSS score: 9.8/10. Published 2018-06-18.
How severe is CVE-2018-12532?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2018-12532 known to be exploited?
7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.