Cisco: >> Catalyst 2900 Vlan Security Vulnerabilities
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 Score
4.3
EPSS Score
0.004
Published
2014-04-23
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 Score
5.4
EPSS Score
0.005
Published
2013-02-13
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 Score
7.5
EPSS Score
0.009
Published
1999-09-01