April 7, 2023 · Applied Cybernetics Group
CVE-2021-27876 Veritas Backup Exec Agent
known ransomware use
Veritas Backup Exec Agent File Access Vulnerability
- Added to KEV
2023-04-07- Federal due date
2023-04-28- Vendor
- Veritas
- Product
- Backup Exec Agent
- EPSS
- 96.5th percentile (score 0.135, as of
2026-11-06) - NVD CVSS v3.1
- —
- Ransomware use
- Known
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2021-27876
CISA short 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.