Technical Severity
CRITICAL
CVSS v3.1 Metrics
10
/ 10
Minimal Risk
Critical
Vector Specification
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Exploitation Likelihood
EPSS Prediction
94.41
%
Predictive Probability
Percentile Rank
100.0
th
Documented as more likely to be exploited than 100.0% of known CVEs.
Detection Date
Feb 10, 2022
Remediation Due
Aug 10, 2022
CISA Catalog Active
Threat Analysis
A remote code execution vulnerability exists in the way that the Microsoft Server Message Block 3.1.1 (SMBv3) protocol handles certain requests. An attacker who successfully exploited the vulnerability could gain the ability to execute code on the target server or client.
Remediation Directive
Apply updates per vendor instructions.