CVE-2020-3390 Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family SNMP Trap Denial of Service Vulnerability

A vulnerability in Simple Network Management Protocol SNMP trap generation for wireless clients of the Cisco IOS XE Wireless Controller Software for the Cisco Catalyst 9000 Family could allow an unauthenticated, adjacent attacker to cause the device to unexpectedly reload, causing a denial of...

CVE-2020-3414 Cisco IOS XE Software for Cisco 4461 Integrated Services Routers Denial of Service Vulnerability

A vulnerability in the packet processing of Cisco IOS XE Software for Cisco 4461 Integrated Services Routers could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service DoS condition. The vulnerability is due to incorrect processing of...

CVE-2020-3465

CVE-2020-3465 affects Cisco IOS XE Software. An unauthenticated, adjacent attacker can trigger a device reload by sending certain valid but atypical Ethernet frames to the Ethernet segment, causing a DoS. The issue stems from incorrect handling of these frames. Cisco provides an advisory and has ...

CVE-2020-3465 Cisco IOS XE Software Ethernet Frame Denial of Service Vulnerability

A vulnerability in Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a device to reload. The vulnerability is due to incorrect handling of certain valid, but not typical, Ethernet frames. An attacker could exploit this vulnerability by sending the Ethernet frames on...

CVE-2020-3465 Cisco IOS XE Software Ethernet Frame Denial of Service Vulnerability

A vulnerability in Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a device to reload. The vulnerability is due to incorrect handling of certain valid, but not typical, Ethernet frames. An attacker could exploit this vulnerability by sending the Ethernet frames on...

CVE-2020-3510 Cisco IOS XE Software for Catalyst 9200 Series Switches Umbrella Connector Denial of Service Vulnerability

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-2020-3552 Cisco Aironet Access Points Ethernet Wired Clients Denial of Service Vulnerability

A vulnerability in the Ethernet packet handling of Cisco Aironet Access Points APs Software could allow an unauthenticated, adjacent attacker to cause a denial of service DoS condition on an affected device. The vulnerability is due to insufficient input validation. An attacker could exploit this...

CVE-2020-3559 Cisco Aironet Access Point Authentication Flood Denial of Service Vulnerability

A vulnerability in Cisco Aironet Access Point AP Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to improper handling of clients that are trying to connect to the AP. An attacker could exploit this vulnerability by sending...

CVE-2020-3559

CVE-2020-3559 affects Cisco Aironet Access Point (AP) Software. The vulnerability arises from improper handling of clients attempting to connect to the AP, allowing an unauthenticated, remote attacker to send authentication requests from multiple clients and cause the affected device to reload, r...

Cisco IOS XE Software Zone-Based Firewall Denial of Service Vulnerabilities

Multiple vulnerabilities in the Zone-Based Firewall feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the device to reload or stop forwarding traffic through the firewall. The vulnerabilities are due to incomplete handling of Layer 4 packets through the...

Cisco IOS XE Software RESTCONF and NETCONF-YANG Access Control List Denial of Service Vulnerability

A vulnerability in the RESTCONF and NETCONF-YANG access control list ACL function of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the device to reload. The vulnerability is due to incorrect processing of the ACL that is tied to the RESTCONF or NETCONF-YANG featur...

Cisco IOS and IOS XE Software Split DNS Denial of Service Vulnerability

A vulnerability in the Split DNS feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service DoS condition. The vulnerability occurs because the regular expression regex engine that...

PT-2020-17253 · Cisco · Cisco Ios Xe

Name of the Vulnerable Software and Affected Versions: Cisco IOS XE Software for Cisco ASR 1000 Series Aggregation Services Routers affected versions not specified Description: A vulnerability in the IP Address Resolution Protocol ARP feature could allow an unauthenticated, adjacent attacker to...

PT-2020-4173 · Cisco · Cisco Ios Xe Wireless Controller +1

Name of the Vulnerable Software and Affected Versions: Cisco IOS XE Wireless Controller Software for the Cisco Catalyst 9000 Family affected versions not specified Description: A vulnerability in Simple Network Management Protocol SNMP trap generation for wireless clients could allow an...

PT-2020-4174 · Cisco · Cisco Ios Xe +1

Name of the Vulnerable Software and Affected Versions: Cisco IOS Software and Cisco IOS XE Software affected versions not specified Description: A vulnerability in the ISDN subsystem could allow an unauthenticated, adjacent attacker to cause a reload of an affected device, resulting in a denial o...

PT-2020-4189 · Cisco · Cisco Ios Xe

Name of the Vulnerable Software and Affected Versions: Cisco IOS XE Software affected versions not specified Description: The issue is related to incomplete handling of Layer 4 packets through the device, which could allow an unauthenticated, remote attacker to cause the device to reload or stop...

PT-2020-4184 · Cisco · Cisco Ios Xe +1

Name of the Vulnerable Software and Affected Versions: Cisco IOS Software and Cisco IOS XE Software affected versions not specified Description: A vulnerability in the Split DNS feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an...

PT-2020-4180 · Cisco · Cisco Ios Xe

Name of the Vulnerable Software and Affected Versions: Cisco IOS XE Software affected versions not specified Description: A vulnerability in Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a device to reload. The issue is due to incorrect handling of certain valid...

PT-2020-4165 · Cisco · Cisco Ios Xe

Name of the Vulnerable Software and Affected Versions: Cisco IOS XE Software affected versions not specified Description: A vulnerability in the RESTCONF and NETCONF-YANG access control list ACL function could allow an unauthenticated, remote attacker to cause the device to reload. The...

PT-2020-4425 · Cisco · Cisco Ios Xe

Name of the Vulnerable Software and Affected Versions: Cisco IOS XE Software for Cisco 4461 Integrated Services Routers affected versions not specified Description: The issue is related to incorrect processing of IPv4 or IPv6 traffic to or through an affected device, which could allow an...