SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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.

CRITICAL 9.8EPSS 6.80%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (6.80%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 3.0
9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
6.80% probability · 94th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-917
Affected
redhat/richfaces
Source
cve@mitre.org
EPSS trend
0%5%10%21 September 2026: 5.78%22 September 2026: 7.05%27 October 2026: 6.80%21 September 202627 October 2026

EPSS moved from 5.8% on 21 September 2026 to 6.8% on 27 October 2026, peaking at 7.0% on 22 September 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.