Coverage › CVE-2021-27878
CVE-2021-27878 Unmapped
Veritas Backup Exec Agent Command Execution Vulnerability
- Vendor / product
- Veritas — Backup Exec Agent
- Description (CISA)
- 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.
- Added to KEV
- 2023-04-07
- Due date
- 2023-04-28
- Required action
- Apply updates per vendor instructions.
- Known ransomware use
- Known
- CWE
- CWE-287
- CISA notes
- https://www.veritas.com/support/en_US/security/VTS21-001
https://nvd.nist.gov/vuln/detail/CVE-2021-27878 - Elsewhere
- cve.org · NVD · CISA KEV · JSON
ATT&CK techniques
No public source states how this vulnerability is exploited in ATT&CK terms.
The only authoritative CVE → ATT&CK mapping in the open — CTID's Mappings Explorer, pinned to a KEV snapshot of 2025-07-28 and ATT&CK 16.1 — does not include CVE-2021-27878. CISA's catalogue carries no technique field. kevmap does not infer techniques from the CWE (CWE-287) — here is why — and does not guess.
This page will change state automatically if a mapping is published. What is shown above is everything CISA publishes about the entry.