ACTIVELY EXPLOITED
CVE-2021-27876: Veritas Backup Exec Agent File Access Vulnerability
| Vendor | Veritas |
|---|---|
| Product | Backup Exec Agent |
| Actively exploited | Yes |
| Added to CISA KEV | 7 Apr 2023 |
| CISA federal deadline | 28 Apr 2023 |
| Ransomware use | Known |
| Weakness (CWE) | CWE-287 |
Required action (CISA's text)
Apply updates per vendor instructions.
Description (NVD)
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.
SOURCES
Other Veritas flaws
- CVE-2021-27878: Veritas Backup Exec Agent Command Execution Vulnerability
- CVE-2021-27877: Veritas Backup Exec Agent Improper Authentication Vulnerability
Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.