Veritas Backup Exec Agent
YES - ON THE CISA KEV LIST
CVE-2021-27878
Veritas Backup Exec Agent Command Execution Vulnerability
overdue since 2023-04-28
Veritas: 3 entries (0.2% of all KEV entries are from this vendor); 0 added in 2026.
BOD 26-04 note: this is the date printed in the CISA catalog. A federal agency's actual deadline is set by its SSVC tier - Act (3 days), Attend (14 days), Track (60 days), or the next scheduled upgrade - counted from the KEV listing date or the date the vulnerability is identified in its environment, whichever comes first. Use the tier helper on each CVE page for your own window.
Your BOD 26-04 window (SSVC tier helper)
Your remediation window ends:
Description
Veritas Backup Exec (BE) Agent contains a command execution vulnerability that could allow an attacker to use a data management protocol command to execute a command on the BE Agent machine.
Required action (CISA)
Apply updates per vendor instructions.
Notes
https://www.veritas.com/support/en_US/security/VTS21-001; https://nvd.nist.gov/vuln/detail/CVE-2021-27878
References
Other KEV entries for this vendor: Veritas
- CVE-2021-27876 - Backup Exec Agent (2023-04-07)
- CVE-2021-27877 - Backup Exec Agent (2023-04-07)
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