CVE-2021-27877
Veritas Backup Exec Agent Improper Authentication Vulnerability
Veritas · Backup Exec Agent
Vulnerability details
Veritas Backup Exec (BE) Agent contains an improper authentication vulnerability that could allow an attacker unauthorized access to the BE Agent via SHA authentication scheme.
Added to CISA KEV: 2023-04-07
Ransomware campaign use: Known
CISA due date: 2023-04-28
Defensive guidance from CISA
Apply updates per vendor instructions.
This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.
Source catalog date: 2026-11-06T19:44:45.1797Z · Last retrieved: 2026-11-06 21:02:26 UTC