CVE-2023-2868
Barracuda Networks ESG Appliance Improper Input Validation Vulnerability
What is affected
| Vendor | Barracuda Networks |
|---|---|
| Product | Email Security Gateway (ESG) Appliance |
| Weakness | CWE-20 |
The vulnerability
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.
US federal civilian agencies were required to act by 16 June 2023 under BOD 22-01. The deadline is a compliance date, not a measure of severity — it says nothing about how dangerous the flaw is to anyone else.
Where this comes from
Every field on this page is taken from the CISA Known Exploited Vulnerabilities catalog, last synced 12 Nov 2026, 12:25. Nothing here is our own assessment. For the technical scoring, see the NVD record below.
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