CVE-2019-16759critical
New! CVE Severity Now Using CVSS v3
The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.
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.
References
https://seclists.org/fulldisclosure/2019/Sep/31
https://www.theregister.co.uk/2019/09/24/vbulletin_vbug_zeroday/
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://seclists.org/fulldisclosure/2020/Aug/5
http://packetstormsecurity.com/files/158866/vBulletin-5.x-Remote-Code-Execution.html
Details
Source: MITRE
Published: 2019-09-24
Updated: 2021-07-21
Type: CWE-20
Risk Information
CVSS v2
Base Score: 7.5
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 10
Severity: HIGH
CVSS v3
Base Score: 9.8
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 3.9
Severity: CRITICAL
Vulnerable Software
Configuration 1
OR
cpe:2.3:a:vbulletin:vbulletin:*:*:*:*:*:*:*:* versions from 5.0.0 to 5.5.4 (inclusive)
Tenable Plugins
| ID | Name | Product | Family | Severity |
|---|---|---|---|---|
| 139457 | vBulletin CVE-2019-16759 Bypass Remote Code Execution (CVE-2020-17496) (direct check) | Nessus | CGI abuses | critical |
| 130168 | vBulletin 'widget_php' Command Execution | Nessus | CGI abuses | critical |
| 98764 | vBulletin < 5.6.2 Patch Level 1 Remote Code Execution Vulnerability | Web Application Scanning | Component Vulnerability | critical |