CVE-2001-1125: Symantec Liveupdate

Critical severity, CVSS 9.8. EPSS: 2.5% chance of exploitation in the next 30 days.

Symantec LiveUpdate before 1.6 does not use cryptography to ensure the integrity of download files, which allows remote attackers to execute arbitrary code via DNS spoofing of the update.symantec.com site.

Affected products

• Symantec Liveupdate: before 1.6 (fixed in 1.6)

Published 2001-10-05. Last modified 2026-06-16.