Actively exploited · Published Sep 24, 2019 · Assigned by mitre

CVE-2019-16759

Critical 9.8 Exploited

In plain English

A critical-severity code injection in vBulletin from vBulletin. Attackers are actively exploiting it in the wild (listed by CISA on November 3, 2021). The chance it is exploited in the next 30 days is estimated at 99.7% (higher than 99.9% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit, Nuclei, public proof-of-concept code. Apply updates per vendor instructions.

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)99.7%top 0.0% of all CVEs
Exploited in the wildYesCISA KEV since Nov 3, 2021
Attack tooling3Metasploit, Nuclei, Public PoC

CISA guidance

Apply updates per vendor instructions.

Federal agencies must remediate by May 3, 2022.

Official 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.

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

Weakness: CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References