Critical severity · published Sep 24, 2019
CVE-2019-16759
vBulletin PHP Module Remote Code Execution Vulnerability
In wildKEV
9.8
CVSS
99.7%
EPSS
Yes
On KEV
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
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)99.7% · higher than 100% of CVEs
Exploited in the wildYes
CISA KEVListed Nov 3, 2021
Federal remediation dueMay 3, 2022
Ransomware campaign useNot known
Affected products
Which versions
VB
Vbulletin · Vbulletin
5.0.0 through 5.5.4 · source: NVD, KEV
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-16759
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-16759
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
x_refsource_MISC
https://seclists.org/fulldisclosure/2019/Sep/31
x_refsource_MISC
https://www.theregister.co.uk/2019/09/24/vbulletin_vbug_zeroday/
x_refsource_MISC
https://arstechnica.com/information-technology/2019/09/public-exploit-code-spawns-mass-attacks-against-high-severity-vbulletin-bug/
x_refsource_MISC
http://packetstormsecurity.com/files/154623/vBulletin-5.x-0-Day-Pre-Auth-Remote-Command-Execution.html
x_refsource_MISC
http://packetstormsecurity.com/files/154648/vBulletin-5.x-Pre-Auth-Remote-Code-Execution.html
x_refsource_MISC
http://packetstormsecurity.com/files/155633/vBulletin-5.5.4-Remote-Command-Execution.html
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