CVE-2008-5408: Symantec Backup Exec For Windows Server

High severity, CVSS 9.0. EPSS: 4.5% chance of exploitation in the next 30 days.

Buffer overflow in the data management protocol in Symantec Backup Exec for Windows Servers 11.0 (aka 11d) builds 6235 and 7170, 12.0 build 1364, and 12.5 build 2213 allows remote authenticated users to cause a denial of service (application crash) and possibly execute arbitrary code via unknown vectors. NOTE: this can be exploited by unauthenticated remote attackers by leveraging CVE-2008-5407.

Affected products

• Symantec Backup Exec For Windows Server: version 11d only; version 12.0 only; version 12.5 only

Published 2008-12-10. Last modified 2026-06-16.