Home / Vulnerabilities / CVE-2023-2868
CRITICAL SEVERITY
CVE-2023-2868 Barracuda Networks · Email Security Gateway (ESG) Appliance

Barracuda Networks ESG Appliance Improper Input Validation Vulnerability

Technical Severity

CVSS v3.1 Metrics

CRITICAL
9.4 / 10
Minimal Risk Critical
Vector Specification
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
Exploitation Likelihood

EPSS Prediction

89.52 %
Predictive Probability
Percentile Rank
99.5 th

Documented as more likely to be exploited than 99.5% of known CVEs.

Detection Date

May 26, 2023

Remediation Due

Jun 16, 2023

CISA Catalog Active

Threat Analysis

Barracuda Email Security Gateway (ESG) appliance contains an improper input validation vulnerability of a user-supplied .tar file, leading to remote command injection.

Remediation Directive

Apply updates per vendor instructions.

External Intelligence