CVE-2003-1096: Cisco Leap

High severity, CVSS 10.0. EPSS: 10.5% chance of exploitation in the next 30 days.

The Cisco LEAP challenge/response authentication mechanism uses passwords in a way that is susceptible to dictionary attacks, which makes it easier for remote attackers to gain privileges via brute force password guessing attacks.

Affected products

• Cisco Leap: any version

Published 2003-12-31. Last modified 2026-06-16.