Technical Severity
CRITICAL
CVSS v3.1 Metrics
9.8
/ 10
Minimal Risk
Critical
Vector Specification
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitation Likelihood
EPSS Prediction
94.22
%
Predictive Probability
Percentile Rank
99.9
th
Documented as more likely to be exploited than 99.9% of known CVEs.
Detection Date
Nov 03, 2021
Remediation Due
May 03, 2022
CISA Catalog Active
Threat Analysis
The PHP module within vBulletin contains an unspecified vulnerability that allows for remote code execution via crafted subWidgets data in an ajax/render/widget_tabbedcontainer_tab_panel request. This CVE ID resolves an incomplete patch for CVE-2019-16759.
Remediation Directive
Apply updates per vendor instructions.