Land IP denial of service.
Max CVSS
5.0
EPSS Score
0.15%
Published
1997-12-01
Updated
2008-09-09
Cisco IOS 12.0 and other versions can be crashed by malicious UDP packets to the syslog port.
Max CVSS
5.0
EPSS Score
0.28%
Published
1999-01-11
Updated
2022-08-17
Cisco PIX firewall and CBAC IP fragmentation attack results in a denial of service.
Max CVSS
5.0
EPSS Score
2.15%
Published
1998-08-18
Updated
2018-10-30
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.
Max CVSS
5.0
EPSS Score
0.40%
Published
1998-08-31
Updated
2018-10-30
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.
Max CVSS
5.0
EPSS Score
2.07%
Published
1998-08-12
Updated
2022-08-17
The "established" keyword in some Cisco IOS software allowed an attacker to bypass filtering.
Max CVSS
5.0
EPSS Score
1.22%
Published
1998-09-01
Updated
2022-08-17
Denial of service in Cisco IOS web server allows attackers to reboot the router using a long URL.
Max CVSS
5.0
EPSS Score
0.41%
Published
1999-03-01
Updated
2022-08-17
Buffer overflow in Cisco 7xx routers through the telnet service.
Max CVSS
5.0
EPSS Score
2.07%
Published
1997-12-15
Updated
2008-09-09
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.
Max CVSS
5.0
EPSS Score
0.67%
Published
1999-03-11
Updated
2008-09-09
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.
Max CVSS
5.0
EPSS Score
0.21%
Published
1999-03-01
Updated
2008-09-09
In Cisco routers under some versions of IOS 12.0 running NAT, some packets may not be filtered by input access list filters.
Max CVSS
5.0
EPSS Score
1.22%
Published
1999-04-01
Updated
2008-09-09
An attacker can identify a CISCO device by sending a SYN packet to port 1999, which is for the Cisco Discovery Protocol (CDP).
Max CVSS
5.0
EPSS Score
0.49%
Published
1999-01-01
Updated
2022-08-17
Denial of service in Cisco routers running NAT via a PORT command from an FTP client to a Telnet port.
Max CVSS
5.0
EPSS Score
2.15%
Published
1999-11-04
Updated
2022-08-17
Cisco Cache Engine allows an attacker to replace content in the cache.
Max CVSS
5.0
EPSS Score
4.58%
Published
1999-12-16
Updated
2022-08-17
The web administration interface for Cisco Cache Engine allows remote attackers to view performance statistics.
Max CVSS
5.0
EPSS Score
0.42%
Published
1999-12-16
Updated
2022-08-17
Cisco IOS 11.x and 12.x allows remote attackers to cause a denial of service by sending the ENVIRON option to the Telnet daemon before it is ready to accept it, which causes the system to reboot.
Max CVSS
5.0
EPSS Score
0.65%
Published
2000-04-20
Updated
2008-09-10
Buffer overflow in Cisco TACACS+ tac_plus server allows remote attackers to cause a denial of service via a malformed packet with a long length field.
Max CVSS
5.0
EPSS Score
0.73%
Published
2000-05-30
Updated
2017-10-10
Cisco Secure PIX Firewall does not properly identify forged TCP Reset (RST) packets, which allows remote attackers to force the firewall to close legitimate connections.
Max CVSS
5.0
EPSS Score
6.35%
Published
2000-03-20
Updated
2017-10-10
Cisco Gigabit Switch Routers (GSR) with Fast Ethernet / Gigabit Ethernet cards, from IOS versions 11.2(15)GS1A up to 11.2(19)GS0.2 and some versions of 12.0, do not properly handle line card failures, which allows remote attackers to bypass ACLs or force the interface to stop forwarding packets.
Max CVSS
5.0
EPSS Score
0.73%
Published
2000-10-20
Updated
2008-09-05
The HTTP server in Cisco IOS 12.0 through 12.1 allows local users to cause a denial of service (crash and reload) via a URL containing a "?/" string.
Max CVSS
5.0
EPSS Score
0.04%
Published
2000-12-19
Updated
2018-05-03
Cisco Secure PIX Firewall 5.2(2) allows remote attackers to determine the real IP address of a target FTP server by flooding the server with PASV requests, which includes the real IP address in the response when passive mode is established.
Max CVSS
5.0
EPSS Score
1.26%
Published
2000-12-11
Updated
2018-10-30
CBOS 2.4.1 and earlier in Cisco 600 routers allows remote attackers to cause a denial of service via a slow stream of TCP SYN packets.
Max CVSS
5.0
EPSS Score
0.22%
Published
2001-02-16
Updated
2017-10-10
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.
Max CVSS
5.0
EPSS Score
0.22%
Published
2001-02-16
Updated
2017-10-10
The Web interface to Cisco 600 routers running CBOS 2.4.1 and earlier allow remote attackers to cause a denial of service via a URL that does not end in a space character.
Max CVSS
5.0
EPSS Score
0.87%
Published
2001-02-16
Updated
2017-10-10
Cisco Catalyst 6000, 5000, or 4000 switches allow remote attackers to cause a denial of service by connecting to the SSH service with a non-SSH client, which generates a protocol mismatch error.
Max CVSS
5.0
EPSS Score
1.98%
Published
2001-02-12
Updated
2017-10-10
1003 vulnerabilities found
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