Filtered by vendor Cisco Subscriptions
Total 6781 CVE
CVE Vendors Products Updated CVSS v3.1
CVE-2002-1557 1 Cisco 1 Optical Networking Systems Software 2026-04-16 N/A
Cisco ONS15454 and ONS15327 running ONS before 3.4 allows attackers to cause a denial of service (reset to TCC, TCC+, TCCi or XTC) via a malformed HTTP request that does not contain a leading / (slash) character.
CVE-2002-1597 1 Cisco 1 Sn 5420 Storage Router Firmware 2026-04-16 N/A
Cisco SN 5420 Storage Router 1.1(5) and earlier allows remote attackers to cause a denial of service (halt) via a fragmented packet to the Gigabit interface.
CVE-2002-2239 1 Cisco 3 Catalyst 6500, Catalyst 7600, Ios 2026-04-16 N/A
The Cisco Optical Service Module (OSM) for the Catalyst 6500 and 7600 series running Cisco IOS 12.1(8)E through 12.1(13.4)E allows remote attackers to cause a denial of service (hang) via a malformed packet.
CVE-2001-0861 1 Cisco 1 12000 Router 2026-04-16 N/A
Cisco 12000 with IOS 12.0 and line cards based on Engine 2 and earlier allows remote attackers to cause a denial of service (CPU consumption) by flooding the router with traffic that generates a large number of ICMP Unreachable replies.
CVE-2002-0882 1 Cisco 2 Skinny Client Control Protocol Software, Voip Phone Cp-7940 2026-04-16 N/A
The web server for Cisco IP Phone (VoIP) models 7910, 7940, and 7960 allows remote attackers to cause a denial of service (reset) and possibly read sensitive memory via a large integer value in (1) the stream ID of the StreamingStatistics script, or (2) the port ID of the PortInformation script.
CVE-2006-0485 1 Cisco 1 Ios 2026-04-16 N/A
The TCL shell in Cisco IOS 12.2(14)S before 12.2(14)S16, 12.2(18)S before 12.2(18)S11, and certain other releases before 25 January 2006 does not perform Authentication, Authorization, and Accounting (AAA) command authorization checks, which may allow local users to execute IOS EXEC commands that were prohibited via the AAA configuration, aka Bug ID CSCeh73049.
CVE-2001-0783 1 Cisco 1 Tftp Server 2026-04-16 N/A
Cisco TFTP server 1.1 allows remote attackers to read arbitrary files via a ..(dot dot) attack in the GET command.
CVE-2001-0752 1 Cisco 1 Cbos 2026-04-16 N/A
Cisco CBOS 2.3.8 and earlier allows remote attackers to cause a denial of service via an ICMP ECHO REQUEST (ping) with the IP Record Route option set.
CVE-2005-1020 1 Cisco 1 Ios 2026-04-16 N/A
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.
CVE-2001-0711 1 Cisco 1 Ios 2026-04-16 N/A
Cisco IOS 11.x and 12.0 with ATM support allows attackers to cause a denial of service via the undocumented Interim Local Management Interface (ILMI) SNMP community string.
CVE-2005-0601 1 Cisco 1 Application And Content Networking Software 2026-04-16 N/A
Cisco devices running Application and Content Networking System (ACNS) 4.x, 5.0, 5.1, or 5.2 use a default password when the setup dialog has not been run, which allows remote attackers to gain access.
CVE-2005-0195 1 Cisco 1 Ios 2026-04-16 N/A
Cisco IOS 12.0S through 12.3YH allows remote attackers to cause a denial of service (device restart) via a crafted IPv6 packet.
CVE-2001-0429 1 Cisco 1 Catos 2026-04-16 N/A
Cisco Catalyst 5000 series switches 6.1(2) and earlier will forward an 802.1x frame on a Spanning Tree Protocol (STP) blocked port, which causes a network storm and a denial of service.
CVE-2001-0428 1 Cisco 1 Vpn 3000 Concentrator Series Software 2026-04-16 N/A
Cisco VPN 3000 series concentrators before 2.5.2(F) allow remote attackers to cause a denial of service via an IP packet with an invalid IP option.
CVE-2001-0375 1 Cisco 2 Pix Firewall 515, Pix Firewall 520 2026-04-16 N/A
Cisco PIX Firewall 515 and 520 with 5.1.4 OS running aaa authentication to a TACACS+ server allows remote attackers to cause a denial of service via a large number of authentication requests.
CVE-2000-0945 1 Cisco 1 Catalyst 3500 Xl 2026-04-16 N/A
The web configuration interface for Catalyst 3500 XL switches allows remote attackers to execute arbitrary commands without authentication when the enable password is not set, via a URL containing the /exec/ directory.
CVE-2000-1022 1 Cisco 1 Pix Firewall Software 2026-04-16 N/A
The mailguard feature in Cisco Secure PIX Firewall 5.2(2) and earlier does not properly restrict access to SMTP commands, which allows remote attackers to execute restricted commands by sending a DATA command before sending the restricted commands.
CVE-2004-0589 1 Cisco 1 Ios 2026-04-16 N/A
Cisco IOS 11.1(x) through 11.3(x) and 12.0(x) through 12.2(x), when configured for BGP routing, allows remote attackers to cause a denial of service (device reload) via malformed BGP (1) OPEN or (2) UPDATE messages.
CVE-2001-1097 1 Cisco 1 Ios 2026-04-16 N/A
Cisco routers and switches running IOS 12.0 through 12.2.1 allows a remote attacker to cause a denial of service via a flood of UDP packets.
CVE-2004-0551 1 Cisco 24 Catalyst 2901, Catalyst 2902, Catalyst 2926 and 21 more 2026-04-16 N/A
Cisco CatOS 5.x before 5.5(20) through 8.x before 8.2(2) and 8.3(2)GLX, as used in Catalyst switches, allows remote attackers to cause a denial of service (system crash and reload) by sending invalid packets instead of the final ACK portion of the three-way handshake to the (1) Telnet, (2) HTTP, or (3) SSH services, aka "TCP-ACK DoS attack."