CVE-2023-2868

CISA description

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.

Notes & references

• https://status.barracuda.com/incidents/34kx82j5n4q9
• https://nvd.nist.gov/vuln/detail/CVE-2023-2868

Where this lands in 800-53

Vulnerability data triggers these controls during assessment and continuous monitoring.

• RA-5 · Vulnerability Monitoring and Scanning
• SI-2 · Flaw Remediation
• CM-6 · Configuration Settings
• SI-7 · Software, Firmware, and Information Integrity
• CM-8 · System Component Inventory

External lookups

• NVD · CVE-2023-2868
• CVE.org · CVE-2023-2868
• CISA KEV catalog (canonical)