Unrated severityCISA KEVNVD Advisory· Published Mar 1, 2021· Updated Oct 21, 2025
CVE-2021-27877
CVE-2021-27877
Description
An issue was discovered in Veritas Backup Exec before 21.2. It supports multiple authentication schemes: SHA authentication is one of these. This authentication scheme is no longer used in current versions of the product, but hadn't yet been disabled. An attacker could remotely exploit this scheme to gain unauthorized access to an Agent and execute privileged commands.
Affected products
1- Veritas/Backup Execdescription
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
2- packetstormsecurity.com/files/168506/Veritas-Backup-Exec-Agent-Remote-Code-Execution.htmlmitrex_refsource_MISC
- www.veritas.com/content/support/en_US/security/VTS21-001mitrex_refsource_MISC
News mentions
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