CVE-2019-16759 Information

Description

vBulletin 5.x through 5.5.4 allows remote command execution via the widgetConfig[code] parameter in an ajax/render/widget_php routestring request.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

http://packetstormsecurity.com/files/154623/vBulletin-5.x-0-Day-Pre-Auth-Remote-Command-Execution.html http://packetstormsecurity.com/files/154648/vBulletin-5.x-Pre-Auth-Remote-Code-Execution.html http://packetstormsecurity.com/files/155633/vBulletin-5.5.4-Remote-Command-Execution.html http://packetstormsecurity.com/files/158829/vBulletin-5.x-Remote-Code-Execution.html http://packetstormsecurity.com/files/158830/vBulletin-5.x-Remote-Code-Execution.html http://packetstormsecurity.com/files/158866/vBulletin-5.x-Remote-Code-Execution.html http://seclists.org/fulldisclosure/2020/Aug/5 https://arstechnica.com/information-technology/2019/09/public-exploit-code-spawns-mass-attacks-against-high-severity-vbulletin-bug/ https://seclists.org/fulldisclosure/2019/Sep/31 https://www.theregister.co.uk/2019/09/24/vbulletin_vbug_zeroday/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8