Land IP denial of service.
Max CVSS
5.0
EPSS Score
0.15%
Published
1997-12-01
Updated
2008-09-09
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
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
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
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 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

CVE-2000-0380

Public exploit
The IOS HTTP service in Cisco routers and switches running IOS 11.1 through 12.1 allows remote attackers to cause a denial of service by requesting a URL that contains a %% string.
Max CVSS
7.1
EPSS Score
95.97%
Published
2000-04-26
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
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
Buffer overflow in CSAdmin module in CiscoSecure ACS Server 2.4(2) and earlier allows remote attackers to cause a denial of service and possibly execute arbitrary commands via a large packet.
Max CVSS
10.0
EPSS Score
0.87%
Published
2000-12-11
Updated
2017-10-10
Buffer overflow in CiscoSecure ACS Server 2.4(2) and earlier allows remote attackers to cause a denial of service and possibly execute arbitrary commands via a large TACACS+ packet.
Max CVSS
10.0
EPSS Score
0.51%
Published
2000-12-11
Updated
2017-10-10
Arrowpoint (aka Cisco Content Services, or CSS) allows local users to cause a denial of service via a long argument to the "show script," "clear script," "show archive," "clear archive," "show log," or "clear log" commands.
Max CVSS
2.1
EPSS Score
0.04%
Published
2001-02-12
Updated
2008-09-05
Memory leak in Cisco Catalyst 4000, 5000, and 6000 series switches allows remote attackers to cause a denial of service via a series of failed telnet authentication attempts.
Max CVSS
7.8
EPSS Score
0.76%
Published
2001-02-16
Updated
2017-10-10
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
Cisco PIX Firewall 515 and 520 with 5.1.4 OS running aaa authentication to a TACACS+ server allows remote attackers to cause a denial of service via a large number of authentication requests.
Max CVSS
5.0
EPSS Score
2.37%
Published
2001-06-18
Updated
2017-10-10
Cisco VPN 3000 series concentrators before 2.5.2(F) allow remote attackers to cause a denial of service via a flood of invalid login requests to (1) the SSL service, or (2) the telnet service, which do not properly disconnect the user after several failed login attempts.
Max CVSS
7.1
EPSS Score
0.65%
Published
2001-06-18
Updated
2017-10-10
Cisco VPN 3000 series concentrators before 2.5.2(F) allow remote attackers to cause a denial of service via an IP packet with an invalid IP option.
Max CVSS
5.0
EPSS Score
0.67%
Published
2001-07-02
Updated
2018-10-30
Cisco Catalyst 5000 series switches 6.1(2) and earlier will forward an 802.1x frame on a Spanning Tree Protocol (STP) blocked port, which causes a network storm and a denial of service.
Max CVSS
5.0
EPSS Score
0.29%
Published
2001-07-02
Updated
2017-10-10
Cisco Catalyst 2900XL switch allows a remote attacker to create a denial of service via an empty UDP packet sent to port 161 (SNMP) when SNMP is disabled.
Max CVSS
5.0
EPSS Score
0.25%
Published
2001-08-14
Updated
2017-12-19
Cisco IOS 11.x and 12.0 with ATM support allows attackers to cause a denial of service via the undocumented Interim Local Management Interface (ILMI) SNMP community string.
Max CVSS
5.0
EPSS Score
0.21%
Published
2001-08-31
Updated
2017-12-19
Cisco Hot Standby Routing Protocol (HSRP) allows local attackers to cause a denial of service by spoofing HSRP packets.
Max CVSS
2.1
EPSS Score
0.04%
Published
2001-10-18
Updated
2017-10-10
Cisco IOS 12.1(2)T, 12.1(3)T allow remote attackers to cause a denial of service (reload) via a connection to TCP ports 3100-3999, 5100-5999, 7100-7999 and 10100-10999.
Max CVSS
5.0
EPSS Score
0.73%
Published
2001-10-18
Updated
2017-10-10
2166 vulnerabilities found
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