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Status published
High
CVE-1999-1129
Cisco Catalyst 2900 Virtual LAN (VLAN) switches allow remote attackers...
Vulnerability Description
Cisco Catalyst 2900 Virtual LAN (VLAN) switches allow remote attackers to inject 802.1q frames into another VLAN by forging the VLAN identifier in the trunking tag.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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Affected Vendor
cisco
View all reports →Affected Software
ios, catalyst 2900 vlan
Vulnerable Versions:
11.2\(8\)sa5
Timeline
Official Publish:
September 12th, 2001
Last Modified:
August 1st, 2024
Added to House:
July 17th, 2026
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.