Technical Severity
HIGH
CVSS v3.1 Metrics
8.8
/ 10
Minimal Risk
Critical
Vector Specification
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitation Likelihood
EPSS Prediction
49.62
%
Predictive Probability
Percentile Rank
97.7
th
Documented as more likely to be exploited than 97.7% of known CVEs.
Detection Date
Mar 28, 2022
Remediation Due
Apr 18, 2022
CISA Catalog Active
Threat Analysis
Mozilla Firefox and Thunderbird do not properly handle onreadystatechange events in conjunction with page reloading, which allows remote attackers to cause a denial-of-service (DoS) or possibly execute malicious code via a crafted web site.
Remediation Directive
Apply updates per vendor instructions.