Vulnerabilities (CVE)

Filtered by vendor Cisco Subscribe
Total 6684 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-1999-1001 1 Cisco 1 Cache Engine 2026-06-16 2.6 LOW N/A
Cisco Cache Engine allows a remote attacker to gain access via a null username and password.
CVE-1999-1000 1 Cisco 1 Cache Engine 2026-06-16 5.0 MEDIUM N/A
The web administration interface for Cisco Cache Engine allows remote attackers to view performance statistics.
CVE-1999-0998 1 Cisco 1 Cache Engine 2026-06-16 5.0 MEDIUM N/A
Cisco Cache Engine allows an attacker to replace content in the cache.
CVE-1999-0889 1 Cisco 1 675 Router 2026-06-16 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-1999-0843 1 Cisco 1 Router 2026-06-16 5.0 MEDIUM N/A
Denial of service in Cisco routers running NAT via a PORT command from an FTP client to a Telnet port.
CVE-1999-0775 1 Cisco 1 Ios 2026-06-16 10.0 HIGH N/A
Cisco Gigabit Switch routers running IOS allow remote attackers to forward unauthorized packets due to improper handling of the "established" keyword in an access list.
CVE-1999-0734 1 Cisco 1 Ciscosecure 2026-06-16 7.5 HIGH N/A
A default configuration of CiscoSecure Access Control Server (ACS) allows remote users to modify the server database without authentication.
CVE-1999-0524 11 Apple, Cisco, Hp and 8 more 14 Mac Os X, Macos, Ios and 11 more 2026-06-16 2.1 LOW 4.0 MEDIUM
ICMP information such as (1) netmask and (2) timestamp is allowed from arbitrary hosts.
CVE-1999-0453 1 Cisco 1 Router 2026-06-16 5.0 MEDIUM N/A
An attacker can identify a CISCO device by sending a SYN packet to port 1999, which is for the Cisco Discovery Protocol (CDP).
CVE-1999-0445 1 Cisco 1 Ios 2026-06-16 5.0 MEDIUM N/A
In Cisco routers under some versions of IOS 12.0 running NAT, some packets may not be filtered by input access list filters.
CVE-1999-0430 1 Cisco 3 Catalyst 12xx Supervisor Software, Catalyst 29xx Supervisor Software, Catalyst 5xxx Supervisor Software 2026-06-16 5.0 MEDIUM N/A
Cisco Catalyst LAN switches running Catalyst 5000 supervisor software allows remote attackers to perform a denial of service by forcing the supervisor module to reload.
CVE-1999-0416 1 Cisco 1 Cisco 7xx Routers 2026-06-16 5.0 MEDIUM N/A
Vulnerability in Cisco 7xx series routers allows a remote attacker to cause a system reload via a TCP connection to the router's TELNET port.
CVE-1999-0415 1 Cisco 1 Cisco 7xx Routers 2026-06-16 7.5 HIGH N/A
The HTTP server in Cisco 7xx series routers 3.2 through 4.2 is enabled by default, which allows remote attackers to change the router's configuration.
CVE-1999-0293 1 Cisco 1 Ios 2026-06-16 7.5 HIGH N/A
AAA authentication on Cisco systems allows attackers to execute commands without authorization.
CVE-1999-0230 1 Cisco 1 Ios 2026-06-16 5.0 MEDIUM N/A
Buffer overflow in Cisco 7xx routers through the telnet service.
CVE-1999-0222 1 Cisco 1 Router 2026-06-16 5.0 MEDIUM N/A
Denial of service in Cisco IOS web server allows attackers to reboot the router using a long URL.
CVE-1999-0162 1 Cisco 1 Ios 2026-06-16 5.0 MEDIUM N/A
The "established" keyword in some Cisco IOS software allowed an attacker to bypass filtering.
CVE-1999-0161 1 Cisco 1 Ios 2026-06-16 7.5 HIGH N/A
In Cisco IOS 10.3, with the tacacs-ds or tacacs keyword, an extended IP access control list could bypass filtering.
CVE-1999-0160 1 Cisco 1 Ios 2026-06-16 7.5 HIGH N/A
Some classic Cisco IOS devices have a vulnerability in the PPP CHAP authentication to establish unauthorized PPP connections.
CVE-1999-0159 1 Cisco 1 Ios 2026-06-16 5.0 MEDIUM 3.5 LOW
Attackers can crash a Cisco IOS router or device, provided they can get to an interactive prompt (such as a login). This applies to some IOS 9.x, 10.x, and 11.x releases.