CVE-2018-17856
Joomla RCE Vulnerability
7.2
HIGH
CVSS 3.1
EPSS 2.7%
Description
An issue was discovered in Joomla! before 3.8.13. com_joomlaupdate allows the execution of arbitrary code. The default ACL config enabled the ability of Administrator-level users to access com_joomlaupdate and trigger code execution.
How to fix CVE-2018-17856
To remediate CVE-2018-17856, upgrade the affected package to a fixed version below.
- Packagist/joomla/framework—upgrade to 3.8.13 or later
Is CVE-2018-17856 being exploited?
Low — EPSS is 2.7%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 2.5.4, < 3.8.13
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.2 | CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |