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CVE-1999-1129

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.

CVSS 2.0 · 7.5 High EPSS 1.6% KEV · Not listed
Vendors
Cisco
Products
Catalyst 2900 Vlan Ios
CVE-2012-3918

Cisco IOS before 15.3(1)T on Cisco 2900 devices, when a VWIC2-2MFT-T1/E1 card is configured for TDM/HDLC mode, allows remote attackers to cause a denial of service (serial-interface outage) via certain Frame Relay traffic, aka Bug ID CSCub13317.

CVSS 2.0 · 4.3 Medium EPSS 1.1% KEV · Not listed
Vendors
Cisco
Products
Catalyst 2900 Catalyst 2900 Vlan Catalyst 2900xl and 1 more
CVE-2013-1100

The HTTP server in Cisco IOS on Catalyst switches does not properly handle TCP socket events, which allows remote attackers to cause a denial of service (device crash) via crafted packets on TCP port (1) 80 or (2) 443, aka Bug ID CSCuc53853.

CVSS 2.0 · 5.4 Medium EPSS 1.5% KEV · Not listed
Vendors
Cisco
Products
Catalyst 2820 Catalyst 2900 Catalyst 2900 Vlan and 82 more