Cisco IOS XE Denial of Service Vulnerability (CNVD-2021-43449)

Cisco IOS XE is a set of modular operating system based on Linux kernel developed by Cisco for its network equipment. A denial-of-service vulnerability exists in the WLAN local analysis feature of Cisco IOS XE used in the Cisco Catalyst 9000 series, which can be exploited by an attacker to cause...

Cisco IOS XE Denial of Service Vulnerability (CNVD-2021-43445)

Cisco IOS XE is a set of modular operating system based on Linux kernel developed by Cisco for its network equipment. A denial-of-service vulnerability exists in the wireless client Simple Network Management Protocol SNMP trap generation of the Cisco IOS XE used by the Cisco Catalyst 9000 series,...

Cisco IOS XE Denial of Service Vulnerability (CNVD-2021-43453)

Cisco IOS XE is a set of modular operating system based on Linux kernel developed by Cisco for its network equipment. A denial-of-service vulnerability exists in Cisco IOS XE's Control and Configuration of Access Points over Wireless CAPWAP protocol processing used by the Cisco Catalyst 9800 seri...

Cisco IOS XE Denial of Service Vulnerability (CNVD-2021-43441)

Cisco IOS XE is a set of modular operating system based on Linux kernel developed by Cisco for its network equipment. A denial-of-service vulnerability exists in the Umbrella Connector component of Cisco IOS XE used in Cisco Catalyst 9200 series switches, which can be exploited by an attacker by...

Cisco Catalyst 9200 Series Switch Denial of Service Vulnerability

The Cisco Catalyst 9200 is a family of entry-level stackable enterprise network switches from Cisco. A denial-of-service vulnerability exists in the Polaris kernel of the Cisco Catalyst 9200 series switches, which can be exploited by an attacker to cause a complete device crash by sending jumbo...

Cisco Patch-Palooza Tackles 29 High-Severity Bugs

Cisco Systems released a barrage of patches, Thursday, aimed at fixing bugs in the networking giant’s ubiquitous IOS operating system. The patches plug holes in a wide range of products and address denial-of-service, file overwrite and input validation attacks. The advisory was planned and part o...

CVE-2020-3527

A vulnerability in the Polaris kernel of Cisco Catalyst 9200 Series Switches could allow an unauthenticated, remote attacker to crash the device. The vulnerability is due to insufficient packet size validation. An attacker could exploit this vulnerability by sending jumbo frames or frames larger...

CVE-2020-3510

A vulnerability in the Umbrella Connector component of Cisco IOS XE Software for Cisco Catalyst 9200 Series Switches could allow an unauthenticated, remote attacker to trigger a reload, resulting in a denial of service condition on an affected device. The vulnerability is due to insufficient erro...

CVE-2020-3527

A vulnerability in the Polaris kernel of Cisco Catalyst 9200 Series Switches could allow an unauthenticated, remote attacker to crash the device. The vulnerability is due to insufficient packet size validation. An attacker could exploit this vulnerability by sending jumbo frames or frames larger...

CVE-2020-3510

A vulnerability in the Umbrella Connector component of Cisco IOS XE Software for Cisco Catalyst 9200 Series Switches could allow an unauthenticated, remote attacker to trigger a reload, resulting in a denial of service condition on an affected device. The vulnerability is due to insufficient erro...

CVE-2020-3488

Multiple vulnerabilities in the Control and Provisioning of Wireless Access Points CAPWAP protocol processing of Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers could allow an unauthenticated, adjacent attacker to cause a denial of service DoS condition of an affected...

CVE-2020-3493

Multiple vulnerabilities in the Control and Provisioning of Wireless Access Points CAPWAP protocol processing of Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers could allow an unauthenticated, adjacent attacker to cause a denial of service DoS condition of an affected...

CVE-2020-3494

Multiple vulnerabilities in the Control and Provisioning of Wireless Access Points CAPWAP protocol processing of Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers could allow an unauthenticated, adjacent attacker to cause a denial of service DoS condition of an affected...

CVE-2020-3497

Multiple vulnerabilities in the Control and Provisioning of Wireless Access Points CAPWAP protocol processing of Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers could allow an unauthenticated, adjacent attacker to cause a denial of service DoS condition of an affected...

CVE-2020-3487

Multiple vulnerabilities in the Control and Provisioning of Wireless Access Points CAPWAP protocol processing of Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers could allow an unauthenticated, adjacent attacker to cause a denial of service DoS condition of an affected...

CVE-2020-3488

Multiple vulnerabilities in the Control and Provisioning of Wireless Access Points CAPWAP protocol processing of Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers could allow an unauthenticated, adjacent attacker to cause a denial of service DoS condition of an affected...

CVE-2020-3489

Multiple vulnerabilities in the Control and Provisioning of Wireless Access Points CAPWAP protocol processing of Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers could allow an unauthenticated, adjacent attacker to cause a denial of service DoS condition of an affected...

CVE-2020-3493

Multiple vulnerabilities in the Control and Provisioning of Wireless Access Points CAPWAP protocol processing of Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers could allow an unauthenticated, adjacent attacker to cause a denial of service DoS condition of an affected...

CVE-2020-3497

Multiple vulnerabilities in the Control and Provisioning of Wireless Access Points CAPWAP protocol processing of Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers could allow an unauthenticated, adjacent attacker to cause a denial of service DoS condition of an affected...

CVE-2020-3492

A vulnerability in the Flexible NetFlow Version 9 packet processor of Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers and Cisco AireOS Software for Cisco Wireless LAN Controllers WLC could allow an unauthenticated, remote attacker to cause a denial of service DoS conditi...