CVEvulnerability

CVE-1999-1129

7.5 HIGH Published 1999-09-01 Modified 2026-06-16 Official page ↗
Status
Modified
Published
1999-09-01
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P

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.

Affected configurations

• cisco ios 11.2\(8\)sa5 • cisco catalyst 2900 vlan

References