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CVE-2023-2868

CISA KEV

Published May 26, 2023 · Updated April 3, 2026

high
Official Description+

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

Affected Products

VendorProduct
Barracuda NetworksEmail Security Gateway (ESG) Appliance

Patch Status

Patch by 2023-06-16

Recommended Actions

  1. Check if your systems use any of the affected products listed above.
  2. Apply vendor patches immediately if available.
  3. This vulnerability is in CISA's Known Exploited Vulnerabilities catalog — prioritize remediation.
  4. Monitor vendor advisories for updates and additional mitigations.
  5. Review logs for indicators of compromise related to CVE-2023-2868.