Vulnerabilities (CVE)

Filtered by vendor Cisco Subscribe
Total 6586 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2005-2451 1 Cisco 2 Ios, Ios Xr 2026-04-16 2.1 LOW N/A
Cisco IOS 12.0 through 12.4 and IOS XR before 3.2, with IPv6 enabled, allows remote attackers on a local network segment to cause a denial of service (device reload) and possibly execute arbitrary code via a crafted IPv6 packet.
CVE-2005-1517 1 Cisco 1 Firewall Services Module 2026-04-16 7.5 HIGH N/A
Unknown vulnerability in Cisco Firewall Services Module (FWSM) 2.3.1 and earlier, when using URL, FTP, or HTTPS filtering exceptions, allows certain TCP packets to bypass access control lists (ACLs).
CVE-2002-1092 1 Cisco 1 Vpn 3000 Concentrator Series Software 2026-04-16 7.5 HIGH N/A
Cisco VPN 3000 Concentrator 3.6(Rel) and earlier, and 2.x.x, when configured to use internal authentication with group accounts and without any user accounts, allows remote VPN clients to log in using PPTP or IPSEC user authentication.
CVE-2006-4313 1 Cisco 1 Vpn 3000 Concentrator Series Software 2026-04-16 5.0 MEDIUM N/A
Multiple unspecified vulnerabilities in Cisco VPN 3000 series concentrators before 4.1, 4.1.x up to 4.1(7)L, and 4.7.x up to 4.7(2)F allow attackers to execute the (1) CWD, (2) MKD, (3) CDUP, (4) RNFR, (5) SIZE, and (6) RMD FTP commands to modify files or create and delete directories via unknown vectors.
CVE-2002-1555 1 Cisco 1 Optical Networking Systems Software 2026-04-16 5.0 MEDIUM N/A
Cisco ONS15454 and ONS15327 running ONS before 3.4 uses a "public" SNMP community string that cannot be changed, which allows remote attackers to obtain sensitive information.
CVE-2002-0880 1 Cisco 2 Skinny Client Control Protocol Software, Voip Phone Cp-7940 2026-04-16 5.0 MEDIUM N/A
Cisco IP Phone (VoIP) models 7910, 7940, and 7960 allow remote attackers to cause a denial of service (crash) via malformed packets as demonstrated by (1) "jolt", (2) "jolt2", (3) "raped", (4) "hping2", (5) "bloop", (6) "bubonic", (7) "mutant", (8) "trash", and (9) "trash2."
CVE-2006-0181 1 Cisco 1 Cs-mars 2026-04-16 7.2 HIGH N/A
Cisco Security Monitoring, Analysis and Response System (CS-MARS) before 4.1.3 has an undocumented administrative account with a default password, which allows local users to gain privileges via the expert command.
CVE-2004-1461 1 Cisco 2 Secure Access Control Server, Secure Acs Solution Engine 2026-04-16 7.5 HIGH N/A
Cisco Secure Access Control Server (ACS) 3.2(3) and earlier spawns a separate unauthenticated TCP connection on a random port when a user authenticates to the ACS GUI, which allows remote attackers to bypass authentication by connecting to that port from the same IP address.
CVE-2005-1057 1 Cisco 1 Ios 2026-04-16 7.5 HIGH N/A
Cisco IOS 12.2T, 12.3 and 12.3T, when using Easy VPN Server XAUTH version 6 authentication, allows remote attackers to bypass authentication via a "malformed packet."
CVE-2006-3288 1 Cisco 1 Wireless Control System 2026-04-16 5.0 MEDIUM N/A
Unspecified vulnerability in the TFTP server in Cisco Wireless Control System (WCS) for Linux and Windows before 3.2(51), when configured to use a directory path name that contains a space character, allows remote authenticated users to read and overwrite arbitrary files via unspecified vectors.
CVE-2006-0486 1 Cisco 1 Ios 2026-04-16 4.6 MEDIUM N/A
Certain Cisco IOS releases in 12.2S based trains with maintenance release number 25 and later, 12.3T based trains, and 12.4 based trains reuse a Tcl Shell process across login sessions of different local users on the same terminal if the first user does not use tclquit before exiting, which may cause subsequent local users to execute unintended commands or bypass AAA command authorization checks, aka Bug ID CSCef77770.
CVE-2003-1132 1 Cisco 2 Content Services Switch 11000, Content Services Switch 11500 2026-04-16 5.0 MEDIUM N/A
The DNS server for Cisco Content Service Switch (CSS) 11000 and 11500, when prompted for a nonexistent AAAA record, responds with response code 3 (NXDOMAIN or "Name Error") instead of response code 0 ("No Error"), which allows remote attackers to cause a denial of service (inaccessible domain) by forcing other DNS servers to send and cache a request for a AAAA record to the vulnerable server.
CVE-2006-0179 1 Cisco 1 Ip Phone 7940 2026-04-16 5.0 MEDIUM N/A
The Cisco IP Phone 7940 allows remote attackers to cause a denial of service (reboot) via a large amount of TCP SYN packets (syn flood) to arbitrary ports, as demonstrated to port 80.
CVE-2001-0057 1 Cisco 2 Broadband Operating System, Cisco 6xx Routers 2026-04-16 5.0 MEDIUM N/A
Cisco 600 routers running CBOS 2.4.1 and earlier allow remote attackers to cause a denial of service via a large ICMP echo (ping) packet.
CVE-2006-4911 1 Cisco 1 Ips Sensor Software 2026-04-16 7.5 HIGH N/A
Unspecified vulnerability in Cisco IPS 5.0 before 5.0(6p2) and 5.1 before 5.1(2), when running in inline or promiscuous mode, allows remote attackers to bypass traffic inspection via a "crafted sequence of fragmented IP packets".
CVE-2004-1322 1 Cisco 1 Unity Server 2026-04-16 7.5 HIGH N/A
Cisco Unity 2.x, 3.x, and 4.x, when integrated with Microsoft Exchange, has several hard coded usernames and passwords, which allows remote attackers to gain unauthorized access and change configuration settings or read outgoing or incoming e-mail messages.
CVE-2002-1492 1 Cisco 1 Vpn 5000 Client 2026-04-16 7.2 HIGH N/A
Buffer overflows in the Cisco VPN 5000 Client before 5.2.7 for Linux, and VPN 5000 Client before 5.2.8 for Solaris, allow local users to gain root privileges via (1) close_tunnel and (2) open_tunnel.
CVE-2001-0429 1 Cisco 1 Catos 2026-04-16 5.0 MEDIUM 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-2002-1553 1 Cisco 1 Optical Networking Systems Software 2026-04-16 7.5 HIGH N/A
Cisco ONS15454 and ONS15327 running ONS before 3.4 allows remote attackers to modify the system configuration and delete files by establishing an FTP connection to the TCC, TCC+ or XTC using a username and password that does not exist.
CVE-2005-0600 1 Cisco 10 Application And Content Networking Software, Content Delivery Manager, Content Distribution Manager 4630 and 7 more 2026-04-16 5.0 MEDIUM N/A
Cisco devices running Application and Content Networking System (ACNS) 5.0, 5.1 before 5.1.13.7, or 5.2 before 5.2.3.9 allow remote attackers to cause a denial of service (bandwidth consumption) via "crafted IP packets" that are continuously forwarded.