CVE-2021-27876 Ransomware

CISA description

Veritas Backup Exec (BE) Agent contains a file access vulnerability that could allow an attacker to specially craft input parameters on a data management protocol command to access files on the BE Agent machine.

Required action

Apply updates per vendor instructions.

Notes & references

• https://www.veritas.com/support/en_US/security/VTS21-001
• https://nvd.nist.gov/vuln/detail/CVE-2021-27876

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-2021-27876
• CVE.org · CVE-2021-27876
• CISA KEV catalog (canonical)