May 26, 2023 · Applied Cybernetics Group
CVE-2023-2868 — Barracuda Networks Email Security Gateway (ESG) Appliance
Barracuda Networks ESG Appliance Improper Input Validation Vulnerability
- Added to KEV
2023-05-26- Federal due date
2023-06-16- Vendor
- Barracuda Networks
- Product
- Email Security Gateway (ESG) Appliance
- EPSS
- 99.6th percentile (score 0.892, as of
2026-06-08) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2023-2868
CISA short description
Barracuda Email Security Gateway (ESG) appliance contains an improper input validation vulnerability of a user-supplied .tar file, leading to remote command injection.
Required action
Apply updates per vendor instructions.