CVE-2021-27876

Veritas Backup Exec Agent File Access Vulnerability

Backup Exec

An issue was discovered in Veritas Backup Exec before 21.2. The communication between a client and an Agent requires successful authentication, which is typically completed over a secure TLS communication. However, due to a vulnerability in the SHA Authentication scheme, an attacker is able to gain unauthorized access and complete the authentication process. Subsequently, the client can execute data management protocol commands on the authenticated connection. By using…

1. Mär 2021

Ausgewertete Quellen

• Hersteller
  https://www.veritas.com/content/support/en_US/security/VTS21-001#issue2
• Hinweis
  http://packetstormsecurity.com/files/168506/Veritas-Backup-Exec-Agent-Remote-Code-Execution.html
• CISA
  https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-27876
• CISA
  Veritas Backup Exec Agent File Access Vulnerability
• NVD
  CVE-2021-27876