Vulnerability in Cisco IOS 11.1 through 11.3 with distributed fast switching (DFS) enabled allows remote attackers to bypass certain access control lists when the router switches traffic from a DFS-enabled input interface to an output interface with a logical subinterface, as described by Cisco bug CSCdk43862.
CVSS Score
7.5
EPSS Score
0.004
Published
1999-12-31
Cisco Catalyst 2900 Virtual LAN (VLAN) switches allow remote attackers to inject 802.1q frames into another VLAN by forging the VLAN identifier in the trunking tag.
CVSS Score
7.5
EPSS Score
0.009
Published
1999-09-01
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.
CVSS Score
10.0
EPSS Score
0.011
Published
1999-06-10
In Cisco routers under some versions of IOS 12.0 running NAT, some packets may not be filtered by input access list filters.
CVSS Score
5.0
EPSS Score
0.006
Published
1999-04-01
Cisco IOS 12.0 and other versions can be crashed by malicious UDP packets to the syslog port.
CVSS Score
5.0
EPSS Score
0.121
Published
1999-01-11
The "established" keyword in some Cisco IOS software allowed an attacker to bypass filtering.
CVSS Score
5.0
EPSS Score
0.006
Published
1998-09-01
Cisco PIX firewall and CBAC IP fragmentation attack results in a denial of service.
CVSS Score
5.0
EPSS Score
0.005
Published
1998-08-18
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.
CVSS Score
3.5
EPSS Score
0.004
Published
1998-08-12
AAA authentication on Cisco systems allows attackers to execute commands without authorization.
CVSS Score
7.5
EPSS Score
0.007
Published
1998-01-01
Buffer overflow in Cisco 7xx routers through the telnet service.
CVSS Score
5.0
EPSS Score
0.005
Published
1997-12-15