Vulnerabilities > Cisco > IOS > 12.3

DATE CVE VULNERABILITY TITLE RISK
2005-05-02 CVE-2005-1020 Improper Authentication vulnerability in Cisco IOS
Secure Shell (SSH) 2 in Cisco IOS 12.0 through 12.3 allows remote attackers to cause a denial of service (device reload) (1) via a username that contains a domain name when using a TACACS+ server to authenticate, (2) when a new SSH session is in the login phase and a currently logged in user issues a send command, or (3) when IOS is logging messages and an SSH session is terminated while the server is sending data.
network
cisco CWE-287
7.1
2005-05-02 CVE-2005-0197 Configuration vulnerability in Cisco IOS
Cisco IOS 12.1T, 12.2, 12.2T, 12.3 and 12.3T, with Multi Protocol Label Switching (MPLS) installed but disabled, allows remote attackers to cause a denial of service (device reload) via a crafted packet sent to the disabled interface.
low complexity
cisco CWE-16
6.1
2005-05-02 CVE-2005-0196 Unspecified vulnerability in Cisco IOS
Cisco IOS 12.0 through 12.3YL, with BGP enabled and running the bgp log-neighbor-changes command, allows remote attackers to cause a denial of service (device reload) via a malformed BGP packet.
network
low complexity
cisco
5.0
2005-05-02 CVE-2005-0195 Unspecified vulnerability in Cisco IOS
Cisco IOS 12.0S through 12.3YH allows remote attackers to cause a denial of service (device restart) via a crafted IPv6 packet.
network
low complexity
cisco
5.0
2005-01-19 CVE-2005-0186 Denial-Of-Service vulnerability in IOS
Cisco IOS 12.1YD, 12.2T, 12.3 and 12.3T, when configured for the IOS Telephony Service (ITS), CallManager Express (CME) or Survivable Remote Site Telephony (SRST), allows remote attackers to cause a denial of service (device reboot) via a malformed packet to the SCCP port.
network
low complexity
cisco
5.0
2004-12-31 CVE-2004-1464 Remote Denial of Service vulnerability in Cisco IOS Telnet Service
Cisco IOS 12.2(15) and earlier allows remote attackers to cause a denial of service (refused VTY (virtual terminal) connections), via a crafted TCP connection to the Telnet or reverse Telnet port.
network
low complexity
cisco
5.0
2004-12-31 CVE-2004-1454 Remote Denial Of Service vulnerability in Cisco IOS OSPF
Cisco IOS 12.0S, 12.2, and 12.3, with Open Shortest Path First (OSPF) enabled, allows remote attackers to cause a denial of service (device reload) via a malformed OSPF packet.
network
low complexity
cisco
5.0
2004-07-27 CVE-2004-0714 Denial Of Service vulnerability in Cisco products
Cisco Internetwork Operating System (IOS) 12.0S through 12.3T attempts to process SNMP solicited operations on improper ports (UDP 162 and a randomly chosen UDP port), which allows remote attackers to cause a denial of service (device reload and memory corruption).
network
low complexity
cisco
5.0