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CVE-2018-17856

Good to know:

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Date: October 9, 2018

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.

Language: PHP

Severity Score

Related Resources (8)

https://nvd.nist.gov/vuln/detail/CVE-2018-17856
http://www.securitytracker.com/id/1041914
https://web.archive.org/web/20211208125303/http://www.securitytracker.com/id/1041914
http://www.securityfocus.com/bid/105559
https://github.com/joomla/joomla-cms
https://web.archive.org/web/20210124211736/http://www.securityfocus.com/bid/105559
https://developer.joomla.org/security-centre/752-20181002-core-inadequate-default-access-level-for-com-joomlaupdate.html
https://www.mend.io/vulnerability-database/CVE-2018-17856

Severity Score

Weakness Type (CWE)

Input Validation

CWE-20

Insufficient Information

NVD-CWE-noinfo

Top Fix

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Upgrade Version

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): HIGH
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): SINGLE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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