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Fencer Vulns
critical 9.8

CVE-2018-12532 json

RichFaces vulnerable to Expression Language Injection

published 2018-06-18 8 y ago modified 2026-06-17 4 mo ago also GHSA-3hx6-fqpj-xfjr , EUVD-2022-2197

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.8%
EPSS 6.8% chance of exploitation in 30 days, percentile 94%
public exploits
0
none known

Summary

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.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-12532 updated cvss 9.8

RichFaces: Injection of arbitrary EL variable mapper allows to bypass mitigation of CVE-2015-0279 and thereby remote code execution

  • Red Hat JBoss Developer Studio 11 RichFaces RichFaces Red Hat JBoss BRMS 5 RichFaces RichFaces Red Hat JBoss Data Virtualization 6 RichFaces RichFaces Red Hat JBoss Enterprise Application Platform 5 RichFaces RichFaces Red Hat JBoss Enterprise Application Platform 6 RichFaces RichFaces Red Hat JBoss Operations Network 3 RichFaces RichFaces
    +1 more products
    Red Hat JBoss SOA Platform 5 RichFaces RichFaces
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

6.80% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • codewhitesec.blogspot.com https://codewhitesec.blogspot.com/2018/05/poor-richfaces.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P
GitHub 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
maven org.richfaces:richfaces-core
>=4.5.3.Final, <=4.5.17.Final
 no fix listed

Classification

Weakness
  • CWE-917 Improper Neutralization of Special Elements used in an Expression Language Statement

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.