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-2021-34713

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...

Code injection

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...

CVE-2021-34713 Cisco IOS XR Software for ASR 9000 Series Routers Denial of Service Vulnerability

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...