Cisco
cisco
6,717 CVEs • 6,231 products
Products (6,231)
Click to collapseToggle
Products (6,231)
Click to collapse
CVEs (6,717)
CVE VENDORS PRODUCTS UPDATED PUBLISHED CVSS |
|---|
Denial of service in Cisco IOS web server allows attackers to reboot the router using a long URL. |
Cisco IOS 12.0 and other versions can be crashed by malicious UDP packets to the syslog port. |
An attacker can identify a CISCO device by sending a SYN packet to port 1999, which is for the Cisco Discovery Protocol (CDP). |
The "established" keyword in some Cisco IOS software allowed an attacker to bypass filtering. |
Cisco PIX firewall manager (PFM) on Windows NT allows attackers to connect to port 8080 on the PFM server and retrieve any file whose name and location is known. |
Cisco PIX firewall and CBAC IP fragmentation attack results in a denial of service. |
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. |
By design, the "established" command on the Cisco PIX firewall allows connections from one host to arbitrary ports of a target host if an alternative conduit has already been allowed, which can cause administrators to co...Show more |
AAA authentication on Cisco systems allows attackers to execute commands without authorization. |
Buffer overflow in Cisco 7xx routers through the telnet service. |
6Cisco GnuHp+3 more8Hp Ux InetIos+5 moreApr 16, 2026 Dec 1, 1997 N/A· v4 N/A· v3 5.0 MEDIUM· v2 Land IP denial of service. |
Some classic Cisco IOS devices have a vulnerability in the PPP CHAP authentication to establish unauthorized PPP connections. |
11Apple CiscoHp+8 more14Aix BsdosHp Ux+11 moreMay 28, 2026 Aug 1, 1997 N/A· v4 4.0 MEDIUM· v3 2.1 LOW· v2 ICMP information such as (1) netmask and (2) timestamp is allowed from arbitrary hosts. |
In Cisco IOS 10.3, with the tacacs-ds or tacacs keyword, an extended IP access control list could bypass filtering. |
Cisco routers 9.17 and earlier allow remote attackers to bypass security restrictions via certain IP source routed packets that should normally be denied using the "no ip source-route" command. |
Vulnerability in Cisco routers versions 8.2 through 9.1 allows remote attackers to bypass access control lists when extended IP access lists are used on certain interfaces, the IP route cache is enabled, and the access l...Show more |
Cisco IOS 9.1 and earlier does not properly handle extended IP access lists when the IP route cache is enabled and the "established" keyword is set, which could allow attackers to bypass filters. |