Technical Severity
HIGH
CVSS v3.1 Metrics
8.8
/ 10
Minimal Risk
Critical
Vector Specification
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitation Likelihood
EPSS Prediction
77.33
%
Predictive Probability
Percentile Rank
98.9
th
Documented as more likely to be exploited than 98.9% of known CVEs.
Detection Date
Nov 03, 2021
Remediation Due
May 03, 2022
CISA Catalog Active
Threat Analysis
Symantec Messaging Gateway contains an unspecified vulnerability which can allow for remote code execution. With the ability to perform remote code execution, an attacker may also desire to perform privilege escalating actions.
Remediation Directive
Apply updates per vendor instructions.