Vulnerabilities (CVE)

Filtered by vendor Cisco Subscribe
Total 6230 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2006-0179 1 Cisco 1 Ip Phone 7940 2025-04-03 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-1999-1175 1 Cisco 1 Ios 2025-04-03 7.5 HIGH N/A
Web Cache Control Protocol (WCCP) in Cisco Cache Engine for Cisco IOS 11.2 and earlier does not use authentication, which allows remote attackers to redirect HTTP traffic to arbitrary hosts via WCCP packets to UDP port 2048.
CVE-2002-1100 1 Cisco 2 Vpn 3000 Concentrator Series Software, Vpn 3002 Hardware Client 2025-04-03 5.0 MEDIUM N/A
Cisco VPN 3000 Concentrator 2.2.x, and 3.x before 3.5.3, allows remote attackers to cause a denial of service (crash) via a long (1) username or (2) password to the HTML login interface.
CVE-2006-0483 1 Cisco 2 Vpn 3000 Concentrator Series Software, Vpn 3030 Concentator 2025-04-03 7.8 HIGH N/A
Cisco VPN 3000 series concentrators running software 4.7.0 through 4.7.2.A allow remote attackers to cause a denial of service (device reload or user disconnect) via a crafted HTTP packet.
CVE-2004-0306 1 Cisco 1 Optical Networking Systems Software 2025-04-03 5.0 MEDIUM N/A
Cisco ONS 15327 before 4.1(3), ONS 15454 before 4.6(1), ONS 15454 SD before 4.1(3), and Cisco ONS 15600 before 1.3(0) enable TFTP service on UDP port 69 by default, which allows remote attackers to GET or PUT ONS system files on the current active TCC in the /flash0 or /flash1 directories.
CVE-2005-1517 1 Cisco 1 Firewall Services Module 2025-04-03 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-2005-3804 1 Cisco 1 7920 Wireless Ip Phone 2025-04-03 6.4 MEDIUM N/A
Cisco IP Phone (VoIP) 7920 1.0(8) listens to UDP port 17185 to support a VxWorks debugger, which allows remote attackers to obtain sensitive information and cause a denial of service.
CVE-2003-1004 1 Cisco 2 Pix Firewall, Pix Firewall Software 2025-04-03 5.0 MEDIUM N/A
Cisco PIX firewall 6.2.x through 6.2.3, when configured as a VPN Client, allows remote attackers to cause a denial of service (dropped IPSec tunnel connection) via an IKE Phase I negotiation request to the outside interface of the firewall.
CVE-2001-1105 2 Cisco, Dell 2 Icdn, Bsafe Ssl-j 2025-04-03 7.5 HIGH N/A
RSA BSAFE SSL-J 3.0, 3.0.1 and 3.1, as used in Cisco iCND 2.0, caches session IDs from failed login attempts, which could allow remote attackers to bypass SSL client authentication and gain access to sensitive data by logging in after an initial failure.
CVE-1999-0157 1 Cisco 2 Ios, Pix Firewall Software 2025-04-03 5.0 MEDIUM N/A
Cisco PIX firewall and CBAC IP fragmentation attack results in a denial of service.
CVE-2003-0851 2 Cisco, Openssl 5 Css11000 Content Services Switch, Ios, Pix Firewall and 2 more 2025-04-03 5.0 MEDIUM N/A
OpenSSL 0.9.6k allows remote attackers to cause a denial of service (crash via large recursion) via malformed ASN.1 sequences.
CVE-2001-1037 1 Cisco 1 Sn 5420 Storage Router Firmware 2025-04-03 4.6 MEDIUM N/A
Cisco SN 5420 Storage Router 1.1(3) and earlier allows local users to access a developer's shell without a password and execute certain restricted commands without being logged.
CVE-1999-0889 1 Cisco 1 675 Router 2025-04-03 7.5 HIGH N/A
Cisco 675 routers running CBOS allow remote attackers to establish telnet sessions if an exec or superuser password has not been set.
CVE-2004-1432 1 Cisco 1 Optical Networking Systems Software 2025-04-03 5.0 MEDIUM N/A
Multiple versions of Cisco ONS 15327, ONS 15454, and ONS 15454 SDH, including 4.6(0) and 4.6(1), 4.5(x), 4.1(0) to 4.1(3), 4.0(0) to 4.0(2), and earlier versions, allows remote attackers to cause a denial of service (control card reset) via malformed (1) IP or (2) ICMP packets.
CVE-2002-1106 1 Cisco 1 Vpn Client 2025-04-03 7.5 HIGH N/A
Cisco Virtual Private Network (VPN) Client software 2.x.x, and 3.x before 3.5.1C, does not properly verify that certificate DN fields match those of the certificate from the VPN Concentrator, which allows remote attackers to conduct man-in-the-middle attacks.
CVE-2006-2679 1 Cisco 1 Vpn Client 2025-04-03 7.2 HIGH N/A
Unspecified vulnerability in the VPN Client for Windows Graphical User Interface (GUI) (aka the VPN client dialer) in Cisco VPN Client for Windows 4.8.00.* and earlier, except for 4.7.00.0533, allows local authenticated, interactive users to gain privileges, possibly due to privileges of dialog boxes, aka bug ID CSCsd79265.
CVE-2003-0512 1 Cisco 1 Ios 2025-04-03 5.0 MEDIUM N/A
Cisco IOS 12.2 and earlier generates a "% Login invalid" message instead of prompting for a password when an invalid username is provided, which allows remote attackers to identify valid usernames on the system and conduct brute force password guessing, as reported for the Aironet Bridge.
CVE-2006-4032 1 Cisco 1 Callmanager Express 2025-04-03 5.0 MEDIUM N/A
Unspecified vulnerability in Cisco IOS CallManager Express (CME) allows remote attackers to gain sensitive information (user names) from the Session Initiation Protocol (SIP) user directory via certain SIP messages, aka bug CSCse92417.
CVE-2004-1760 2 Cisco, Ibm 17 Call Manager, Conference Connection, Emergency Responder and 14 more 2025-04-03 10.0 HIGH N/A
The default installation of Cisco voice products, when running the IBM Director Agent on IBM servers before OS 2000.2.6, does not require authentication, which allows remote attackers to gain administrator privileges by connecting to TCP port 14247.
CVE-2002-1596 1 Cisco 1 Sn 5420 Storage Router Firmware 2025-04-03 5.0 MEDIUM N/A
Cisco SN 5420 Storage Router 1.1(5) and earlier allows remote attackers to cause a denial of service (router crash) via an HTTP request with large headers.