What’s Vulnerable › Vulnerabilities

CVE-2003-1096

• Severity: critical (CVSS 10.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 10.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2003-12-31 · updated 2026-06-16

Description

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: all versions

References

• http://marc.info/?l=bugtraq&m=108135227731965&w=2
• http://www.cisco.com/warp/public/707/cisco-sn-20030802-leap.shtml
• http://www.kb.cert.org/vuls/id/473108
• http://www.osvdb.org/15209
• http://www.securityfocus.com/archive/1/340119
• http://www.securityfocus.com/archive/1/340365
• http://www.securityfocus.com/bid/8755
• https://exchange.xforce.ibmcloud.com/vulnerabilities/12804
• http://marc.info/?l=bugtraq&m=108135227731965&w=2
• http://www.cisco.com/warp/public/707/cisco-sn-20030802-leap.shtml
• http://www.kb.cert.org/vuls/id/473108
• http://www.osvdb.org/15209

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