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CVE-2023-2868: Barracuda Networks ESG Appliance Improper Input Validation Vulnerability
Barracuda Networks Email Security Gateway (ESG) Appliance · in CISA KEV since 2023-05-26
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2023-05-26added to KEV
2023-06-16federal remediation due date
87.69%EPSS exploit probability (30 days) 99.8th percentile
9.8 CRITICALCVSS 3.1
Unknownknown ransomware use
2days from NVD publication to KEV
What it is
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 (CISA)
Apply updates per vendor instructions.
| CWE | CWE-20 |
|---|---|
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD published | 2023-05-24 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2023-2868.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.
Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.