CVE-1999-1129

Summary

CVE-1999-1129 is a vulnerability affecting Cisco Catalyst 2900 Virtual LAN (VLAN) switches. This issue allows remote attackers to inject 802.1q frames into another VLAN by manipulating the VLAN identifier in the trunking tag. Exploitation of this vulnerability could result in unauthorized access to data or network disruption within the affected VLAN. Attackers can potentially gain control over network traffic, leading to potential security risks and data breaches. It is crucial for organizations using Cisco Catalyst 2900 switches to apply the relevant patches provided by Cisco to mitigate this vulnerability.

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