CVE-2019-16759

Known Exploited Public Exploit

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 94.43% Top 5%
KEV Since 
Third-Party Advisory packetstormsecurity.com Third-Party Advisory packetstormsecurity.com Third-Party Advisory packetstormsecurity.com Third-Party Advisory packetstormsecurity.com Third-Party Advisory packetstormsecurity.com Third-Party Advisory packetstormsecurity.com Third-Party Advisory seclists.org Third-Party Advisory arstechnica.com Third-Party Advisory seclists.org Third-Party Advisory co.uk
Affected: n/a n/a
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2019-16759?
CVE-2019-16759 has been scored as a critical severity vulnerability.
How to fix CVE-2019-16759?
To fix CVE-2019-16759, 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-2019-16759 being actively exploited in the wild?
It is confirmed that CVE-2019-16759 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~94% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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