CVE:CVE-1999-1129
CNNVD:CNNVD-199909-002
Cisco Catalyst 2900 Virtual LAN (VLAN）交换机存在漏洞。远程攻击者可以借助于伪造trunking标记中的VLAN标识符向另一个VLAN注入802.1q帧。
solution:Upgrade cisco ios to a higher version than 11.2(8sa5,and avoid the version 11.2(8)sa5; Upgrade cisco catalyst_2900_vlan to a higher version than *