High severityKnown ExploitedCVE-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.

Published May 26, 2023Updated Jun 16, 2023Source checked Jul 18, 2026

Upstream Advisory

Key facts

Risk: High
Exploitation: Known exploited
Affected software: Not mapped
Fix availability: Not reported

Recommended action

Review the upstream advisory, identify the affected product in your inventory, and apply the vendor update when one is available.

What this means

Barracuda Networks ESG Appliance Improper Input Validation Vulnerability is listed in the HOL Guard supply-chain feed, but affected software is not mapped to a package. Review the upstream advisory for the affected product and vendor guidance. This vulnerability is known to be exploited in the wild. Barracuda Email Security Gateway (ESG) appliance contains an improper input validation vulnerability of a user-supplied .tar file, leading to remote command injection.

Affected software

Affected software not mapped. Review the upstream record for vendor-specific product and version guidance.

Evidence and references

No references were reported by the source.

Source metadata

Published: May 26, 2023
Modified: Jun 16, 2023
Source checked: Jul 18, 2026

Reported by CISA KEV (kev).

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