CVE-2018-17856

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.

7.2

CVSS

Severity: High

CVSS 3.0 •

CVSS 2.0 •

EPSS 6.06% Top 10%

Vendor Advisory joomla.org

Affected: n/a n/a

References

Link	Tags
http://www.securityfocus.com/bid/105559	vdb entry third party advisory
http://www.securitytracker.com/id/1041914	vdb entry third party advisory
https://developer.joomla.org/security-centre/752-20181002-core-inadequate-default-access-level-for-com-joomlaupdate.html	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-17856?: CVE-2018-17856 has been scored as a high severity vulnerability.
How to fix CVE-2018-17856?: To fix CVE-2018-17856, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-17856 being actively exploited in the wild?: It is possible that CVE-2018-17856 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~6% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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