CVE-2020-3527

CVE-2020-3527 affects Cisco Catalyst 9200 Series Switches (Polaris kernel). The vulnerability arises from insufficient packet-size validation, allowing an unauthenticated, remote attacker to crash the device by sending jumbo frames or frames larger than the configured MTU to the management interf...

Cisco Catalyst 9200 Series Switches Jumbo Frame Denial of Service Vulnerability

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...

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...

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...

Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family CAPWAP Denial of Service Vulnerabilities

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...

Cisco IOS XE Software for Catalyst 9800 Series Wireless Controllers Multicast DNS Denial of Service Vulnerability

A vulnerability in the multicast DNS mDNS feature 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. The vulnerability is due to improper validation of mDNS packets. An attacker...

Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family CAPWAP Denial of Service Vulnerability

A vulnerability 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, remote attacker to cause a denial of service DoS condition of an affected device. The...

Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family WLAN Local Profiling Denial of Service Vulnerability

A vulnerability in the WLAN Local Profiling feature of Cisco IOS XE Wireless Controller Software for the Cisco Catalyst 9000 Family could allow an unauthenticated, adjacent attacker to cause a denial of service DoS condition on an affected device. The vulnerability is due to incorrect parsing of...

Cisco IOS XE Software for Catalyst 9800 Series and Cisco AireOS Software for Cisco WLC 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 and Cisco AireOS Software for Cisco Wireless LAN Controllers WLC could allow an unauthenticated, remote attacker to cause a denial of service DoS conditi...

Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family Improper Access Control Vulnerability

A vulnerability in Cisco IOS XE Wireless Controller Software for Cisco Catalyst 9800 Series Routers could allow an unauthenticated, adjacent attacker to send ICMPv6 traffic prior to the client being placed into RUN state. The vulnerability is due to an incomplete access control list ACL being...

Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family WPA Denial of Service Vulnerability

A vulnerability in the WPA2 and WPA3 security implementation of Cisco IOS XE Wireless Controller Software for the Cisco Catalyst 9000 Family could allow an unauthenticated, adjacent attacker to cause denial of service DoS condition on an affected device. The vulnerability is due to incorrect pack...

PT-2020-4181 · Cisco · Cisco Ios Xe

Name of the Vulnerable Software and Affected Versions: Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers affected versions not specified Cisco IOS XE Software for Cisco Catalyst 9000 Series affected versions not specified Description: The issue is related to insufficient...

PT-2020-4164 · 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 the WLAN Local Profiling feature could allow an unauthenticated, adjacent attacker to cause a denial ...

Cisco IOS XE Software Catalyst 9800 Series Wireless Controllers DoS (cisco-sa-iosxe-ewlc-dos-TkuPVmZN)

According to its self-reported version, Cisco IOS XE Software is affected by a DoS vulnerability. Please see the included Cisco BID and Cisco Security Advisory for more information. TRUSTED...

Empty UDP packet DoS in Samba AD DC nbtd

Description The NetBIOS over TCP/IP name resolution protocol is implemented as a UDP datagram on port 137. The AD DC client and server-side processing code for NBT name resolution will enter a tight loop if a UDP packet with 0 data length is received. The client for this case is only found in the...

Cisco IOS Software for Catalyst 2960-L Series Switches and Catalyst CDB-8P Switches 802.1X Authentication Bypass Vulnerability (cisco-sa-c2960L-DpWA9Re4)

An authentication bypass vulnerability exists in Cisco IOS Software for Catalyst 2960-L Series Switches and Catalyst CDB-8P Switches due to broadcast traffic that is received on the 802.1X-enabled port being mishandled. An unauthenticated, remote attacker can exploit this by sending broadcast...

Cisco IOS and IOS XE Code Issue Vulnerabilities

Cisco IOS and IOS XE are a set of operating systems developed by Cisco for its network devices. A code issue vulnerability exists in the Simple Network Management Protocol SNMP subsystem of the IOS Software and IOS XE Software in the Cisco Catalyst 4500 Series, which arises from a program that do...

Cisco Catalyst 9800 Series Wireless Controllers IOS XE Input Validation Error Vulnerability

Cisco IOS XE is the United States Cisco Cisco company's set of operating system developed for its network equipment. An input validation error vulnerability exists in the Flexible NetFlow version 9 packet processor for IOS XE in Cisco Catalyst 9800 Series Wireless Controllers. An attacker could...

Cisco Catalyst 9800 Series Wireless Controllers IOS XE Software Resource Management Error Vulnerability

Cisco IOS XE is the United States Cisco Cisco company's set of operating system developed for its network equipment. A resource management error vulnerability exists in the LSC provisioning feature of the IOS XE Software in Cisco Catalyst 9800 Series Wireless Controllers, which stems from the...

Cisco Catalyst 9800 Series Wireless Controllers IOS XE Input Validation Error Vulnerability (CNVD-2020-31958)

Cisco IOS XE is the United States Cisco Cisco company's set of operating system developed for its network equipment. An input validation error vulnerability exists in the IEEE 802.11w Protected Management Frames handling of IOS XE Software in Cisco Catalyst 9800 Series Wireless Controllers. An...