CVE-2020-3203

A vulnerability in the locally significant certificate LSC provisioning feature of Cisco Catalyst 9800 Series Wireless Controllers that are running Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a memory leak that could lead to a denial of service DoS condition. Th...

CVE-2020-3203

A vulnerability in the locally significant certificate LSC provisioning feature of Cisco Catalyst 9800 Series Wireless Controllers that are running Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a memory leak that could lead to a denial of service DoS condition. Th...

Design/Logic Flaw

A vulnerability in the hardware crypto driver of Cisco IOS XE Software for Cisco 4300 Series Integrated Services Routers and Cisco Catalyst 9800-L Wireless Controllers could allow an unauthenticated, remote attacker to disconnect legitimate IPsec VPN sessions to an affected device. The...

Design/Logic Flaw

A vulnerability in the handling of IEEE 802.11w Protected Management Frames PMFs of Cisco Catalyst 9800 Series Wireless Controllers that are running Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to terminate a valid user connection to an affected device. The vulnerabilit...

Input validation

A vulnerability in the Simple Network Management Protocol SNMP subsystem of Cisco IOS Software and Cisco IOS XE Software on Catalyst 4500 Series Switches could allow an authenticated, remote attacker to cause a denial of service DoS condition. The vulnerability is due to insufficient input...

Design/Logic Flaw

A vulnerability in the locally significant certificate LSC provisioning feature of Cisco Catalyst 9800 Series Wireless Controllers that are running Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a memory leak that could lead to a denial of service DoS condition. Th...

Authentication flaw

A vulnerability in the 802.1X feature of Cisco Catalyst 2960-L Series Switches and Cisco Catalyst CDB-8P Switches could allow an unauthenticated, adjacent attacker to forward broadcast traffic before being authenticated on the port. The vulnerability exists because broadcast traffic that is...

CVE-2020-3235 Cisco IOS and IOS XE Software Simple Network Management Protocol Denial of Service Vulnerability

A vulnerability in the Simple Network Management Protocol SNMP subsystem of Cisco IOS Software and Cisco IOS XE Software on Catalyst 4500 Series Switches could allow an authenticated, remote attacker to cause a denial of service DoS condition. The vulnerability is due to insufficient input...

CVE-2020-3235

CVE-2020-3235 affects Cisco IOS Software and Cisco IOS XE Software on Catalyst 4500 Series Switches. The root cause is insufficient input validation when processing certain SNMP object identifiers in the SNMP subsystem, enabling an authenticated, remote attacker to trigger a DoS by sending a craf...

CVE-2020-3231 Cisco IOS Software for Catalyst 2960-L Series Switches and Catalyst CDB-8P Switches 802.1X Authentication Bypass Vulnerability

A vulnerability in the 802.1X feature of Cisco Catalyst 2960-L Series Switches and Cisco Catalyst CDB-8P Switches could allow an unauthenticated, adjacent attacker to forward broadcast traffic before being authenticated on the port. The vulnerability exists because broadcast traffic that is...

CVE-2020-3231 Cisco IOS Software for Catalyst 2960-L Series Switches and Catalyst CDB-8P Switches 802.1X Authentication Bypass Vulnerability

A vulnerability in the 802.1X feature of Cisco Catalyst 2960-L Series Switches and Cisco Catalyst CDB-8P Switches could allow an unauthenticated, adjacent attacker to forward broadcast traffic before being authenticated on the port. The vulnerability exists because broadcast traffic that is...

CVE-2020-3221 Cisco IOS XE Software Flexible NetFlow Version 9 Denial of Service Vulnerability

A vulnerability in the Flexible NetFlow Version 9 packet processor of Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. The vulnerability is due to improper...

CVE-2020-3221 Cisco IOS XE Software Flexible NetFlow Version 9 Denial of Service Vulnerability

A vulnerability in the Flexible NetFlow Version 9 packet processor of Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. The vulnerability is due to improper...

CVE-2020-3221

Cisco IOS XE Software on Catalyst 9800 Series Wireless Controllers has a DoS vulnerability in the Flexible NetFlow Version 9 packet processor due to improper validation of NetFlow V9 records. An unauthenticated remote attacker can send malformed NetFlow V9 packets to the CAPWAP data port, causing...

CVE-2020-3220

The CVE-2020-3220 issue affects Cisco IOS XE Software on Cisco 4300 Series ISRs and Cisco Catalyst 9800-L Wireless Controllers, where the hardware crypto driver fails to properly verify ESP packet authenticity. This can allow an unauthenticated, remote attacker to perform a man-in-the-middle tamp...

CVE-2020-3206 Cisco IOS XE Software Catalyst 9800 Series Wireless Controllers Denial of Service Vulnerability

A vulnerability in the handling of IEEE 802.11w Protected Management Frames PMFs of Cisco Catalyst 9800 Series Wireless Controllers that are running Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to terminate a valid user connection to an affected device. The vulnerabilit...

CVE-2020-3206

CVE-2020-3206 affects Cisco Catalyst 9800 Series Wireless Controllers running IOS XE. The issue is a failure to properly validate IEEE 802.11w Protected Management Frames (PMFs), allowing an unauthenticated, adjacent attacker to terminate a single valid user connection on an affected device. Mult...

CVE-2020-3203 Cisco IOS XE Software Catalyst 9800 Series Wireless Controllers Denial of Service Vulnerability

A vulnerability in the locally significant certificate LSC provisioning feature of Cisco Catalyst 9800 Series Wireless Controllers that are running Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a memory leak that could lead to a denial of service DoS condition. Th...

CVE-2020-3203 Cisco IOS XE Software Catalyst 9800 Series Wireless Controllers Denial of Service Vulnerability

A vulnerability in the locally significant certificate LSC provisioning feature of Cisco Catalyst 9800 Series Wireless Controllers that are running Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a memory leak that could lead to a denial of service DoS condition. Th...

CVE-2020-3203

Cisco IOS XE on Catalyst 9800 Series Wireless Controllers is affected by CVE-2020-3203 due to a flaw in the locally significant certificate (LSC) provisioning feature, where incorrect processing of PKI/SSL packets can cause a memory leak. An unauthenticated remote attacker could send crafted SSL ...