CVE-2023-2868: Barracuda Networks ESG Appliance Improper Input Validation Vulnerability
Barracuda Email Security Gateway (ESG) appliance contains an improper input validation vulnerability of a user-supplied .tar file, leading to remote command injection.
| Vendor | Barracuda Networks |
|---|---|
| Product | Email Security Gateway (ESG) Appliance |
| Date added to KEV | 2023-05-26 |
| Due date (BOD 22-01) | 2023-06-16 |
| Known ransomware campaign use | Unknown |
| CWE | CWE-20 |
| Required action | Apply updates per vendor instructions. |
What to do
- Identify every instance of Barracuda Networks Email Security Gateway (ESG) Appliance in your environment (asset inventory, EDR, vulnerability scanner).
- Apply CISA's required action: Apply updates per vendor instructions.
- Federal civilian agencies must act by 2023-06-16 under BOD 22-01; other organizations can use the same date as a target.
- Check the vendor advisory and NVD entry linked below for affected versions, then record the fix in your change log.
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Sources
- NVD entry for CVE-2023-2868 (severity scores, if any, live there)
- CISA KEV catalog entry
- https://status.barracuda.com/incidents/34kx82j5n4q9
- https://nvd.nist.gov/vuln/detail/CVE-2023-2868