The Cisco LEAP challenge/response authentication mechanism uses passwords in a way that is susceptible to dictionary attacks, which makes…

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.

Scores

EPSS (exploitation in 30 days)

10.5% · top 4.2% of all CVEs (3 Nov 2026)

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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 10.0.

Weakness

• n/a

Affected products

• n/a

  • affected n/a

References (8)

• 20031003 Dictionary attack against Cisco's LEAP, Wireless LANs vulnerable (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• 20031006 Weaknesses in LEAP Challenge/Response (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• 15209 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
• 20040407 Release of Cisco Attack tool Asleap (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• 8755 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• 20030803 Dictionary Attack on Cisco LEAP Vulnerability (opens in a new tab)vendor-advisoryx_refsource_CISCOx_transferred
• VU#473108 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
• cisco-leap-dictionary(12804) (opens in a new tab)vdb-entryx_refsource_XFx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2003-1096](https://trackcve.app/badge/CVE-2003-1096.svg)](https://trackcve.app/cve/CVE-2003-1096)

Record last updated 8 Aug 2024, 02:12 UTC.