CVE-2021-34778 Cisco Small Business 220 Series Smart Switches Link Layer Discovery Protocol Vulnerabilities

Multiple vulnerabilities exist in the Link Layer Discovery Protocol LLDP implementation for Cisco Small Business 220 Series Smart Switches. An unauthenticated, adjacent attacker could perform the following: Execute code on the affected device or cause it to reload unexpectedly Cause LLDP database...

CVE-2021-34778 Cisco Small Business 220 Series Smart Switches Link Layer Discovery Protocol Vulnerabilities

Multiple vulnerabilities exist in the Link Layer Discovery Protocol LLDP implementation for Cisco Small Business 220 Series Smart Switches. An unauthenticated, adjacent attacker could perform the following: Execute code on the affected device or cause it to reload unexpectedly Cause LLDP database...

CVE-2021-34779 Cisco Small Business 220 Series Smart Switches Link Layer Discovery Protocol Vulnerabilities

Multiple vulnerabilities exist in the Link Layer Discovery Protocol LLDP implementation for Cisco Small Business 220 Series Smart Switches. An unauthenticated, adjacent attacker could perform the following: Execute code on the affected device or cause it to reload unexpectedly Cause LLDP database...

CVE-2021-34780 Cisco Small Business 220 Series Smart Switches Link Layer Discovery Protocol Vulnerabilities

Multiple vulnerabilities exist in the Link Layer Discovery Protocol LLDP implementation for Cisco Small Business 220 Series Smart Switches. An unauthenticated, adjacent attacker could perform the following: Execute code on the affected device or cause it to reload unexpectedly Cause LLDP database...

PT-2021-20657

Name of the Vulnerable Software and Affected Versions: Cisco Small Business 220 Series Smart Switches affected versions not specified Description: Multiple vulnerabilities exist in the Link Layer Discovery Protocol LLDP implementation. An unauthenticated, adjacent attacker could execute code on t...

PT-2021-4656

Name of the Vulnerable Software and Affected Versions Cisco Small Business 220 Series Smart Switches affected versions not specified Description The issue is related to the implementation of the Link Layer Discovery Protocol LLDP in the firmware of Cisco Small Business 220 Series Smart Switches. ...

CVE-2021-34779: Buffer Copy without Checking Size of Input

Multiple vulnerabilities exist in the Link Layer Discovery Protocol LLDP implementation for Cisco Small Business 220 Series Smart Switches. An unauthenticated, adjacent attacker could perform the following: Execute code on the affected device or cause it to reload unexpectedly Cause LLDP database...

CVE-2021-34776: Buffer Copy without Checking Size of Input

Multiple vulnerabilities exist in the Link Layer Discovery Protocol LLDP implementation for Cisco Small Business 220 Series Smart Switches. An unauthenticated, adjacent attacker could perform the following: Execute code on the affected device or cause it to reload unexpectedly Cause LLDP database...

Cisco IOS XE Software Denial of Service Vulnerability (CNVD-2021-80661)

Cisco IOS XE Software is an operating system from the U.S. company Cisco Cisco. A single operating system for enterprise wired and wireless access, aggregation, core and WAN, Cisco IOS XE reduces business and network complexity.Cisco IOS XE Software suffers from a denial-of-service vulnerability...

CVE-2021-1621

A vulnerability in the Layer 2 punt code of Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a queue wedge on an interface that receives specific Layer 2 frames, resulting in a denial of service DoS condition. This vulnerability is due to improper handling of certa...

Race condition

A vulnerability in the Layer 2 punt code of Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a queue wedge on an interface that receives specific Layer 2 frames, resulting in a denial of service DoS condition. This vulnerability is due to improper handling of certa...

CVE-2021-1621 Cisco IOS XE Software Interface Queue Wedge Denial of Service Vulnerability

A vulnerability in the Layer 2 punt code of Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a queue wedge on an interface that receives specific Layer 2 frames, resulting in a denial of service DoS condition. This vulnerability is due to improper handling of certa...

CVE-2021-1621 Cisco IOS XE Software Interface Queue Wedge Denial of Service Vulnerability

A vulnerability in the Layer 2 punt code of Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a queue wedge on an interface that receives specific Layer 2 frames, resulting in a denial of service DoS condition. This vulnerability is due to improper handling of certa...

CVE-2021-1621

CVE-2021-1621 affects Cisco IOS XE Software. The issue is in the Layer 2 punt code where improper handling of certain Layer 2 frames can allow an unauthenticated, adjacent attacker to cause a queue wedge on an interface receiving those frames, producing a denial-of-service. Exploitation relies on...

CVE-2021-1621: Undefined Security Weakness

A vulnerability in the Layer 2 punt code of Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a queue wedge on an interface that receives specific Layer 2 frames, resulting in a denial of service DoS condition. This vulnerability is due to improper handling of certa...

CVE-2021-34767: Always-Incorrect Control Flow Implementation

A vulnerability in IPv6 traffic processing of Cisco IOS XE Wireless Controller Software for Cisco Catalyst 9000 Family Wireless Controllers could allow an unauthenticated, adjacent attacker to cause a Layer 2 L2 loop in a configured VLAN, resulting in a denial of service DoS condition for that...

Cisco IOS XE Software Interface Queue Wedge Denial of Service Vulnerability

A vulnerability in the Layer 2 punt code of Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a queue wedge on an interface that receives specific Layer 2 frames, resulting in a denial of service DoS condition. This vulnerability is due to improper handling of certa...

PT-2021-4846

Name of the Vulnerable Software and Affected Versions Cisco IOS XE Wireless Controller Software for Cisco Catalyst 9000 Family Wireless Controllers affected versions not specified Description A logic error in the processing of specific link-local IPv6 traffic could allow an unauthenticated,...

Cisco IOS XE Software for Catalyst 9800 Series Wireless Controllers IPv6 Denial of Service (cisco-sa-ewlc-ipv6-dos-NMYeCnZv)

According to its self-reported version, Cisco IOS-XE Software is affected by a vulnerability. - A vulnerability in IPv6 traffic processing of Cisco IOS XE Wireless Controller Software for Cisco Catalyst 9000 Family Wireless Controllers could allow an unauthenticated, adjacent attacker to cause a...

CVE-2021-34713

A vulnerability in the Layer 2 punt code of Cisco IOS XR Software running on Cisco ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, adjacent attacker to cause the affected line card to reboot. This vulnerability is due to incorrect handling of specific Ethernet frames...