CVE-2003-1096

Cisco LEAP - Dictionary Attack via Password Brute Force

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2003-1096. PoCs published by Cisco Security.

AI-analyzed exploit summary The provided text describes a vulnerability in Cisco LEAP (CVE-2003-1096) that allows remote attackers to brute-force user passwords via dictionary attacks, leading to potential unauthorized network access. No actual exploit code is present; it is a vulnerability description.

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.

Exploits (1)

exploitdb WRITEUP VERIFIED
by Cisco Security · textremotehardware
https://www.exploit-db.com/exploits/23212

The provided text describes a vulnerability in Cisco LEAP (CVE-2003-1096) that allows remote attackers to brute-force user passwords via dictionary attacks, leading to potential unauthorized network access. No actual exploit code is present; it is a vulnerability description.

Classification
Writeup 90%
Attack Type
Auth Bypass
Complexity
Moderate
Reliability
Theoretical
Target: Cisco LEAP (Lightweight Extensible Authentication Protocol)
No auth needed
Prerequisites: Network access to the target system · Dictionary or wordlist for brute-forcing
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (8)

Core 8
Core References
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/340119
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/340365
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://www.osvdb.org/15209
Mailing List mailing-list x_refsource_bugtraq
http://marc.info/?l=bugtraq&m=108135227731965&w=2
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/8755
Vendor Advisory vendor-advisory x_refsource_cisco
http://www.cisco.com/warp/public/707/cisco-sn-20030802-leap.shtml
Third Party Advisory, US Government Resource third-party-advisory x_refsource_cert-vn
http://www.kb.cert.org/vuls/id/473108
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/12804

Scores

EPSS 0.1048
EPSS Percentile 95.2%

Details

Status published
Products (1)
cisco/leap
Published Dec 31, 2003
Tracked Since Feb 18, 2026