CVE-2024-20315

A vulnerability in the access control list ACL processing on MPLS interfaces in the ingress direction of Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass a configured ACL. This vulnerability is due to improper assignment of lookup keys to internal interface contexts...

Race condition

A vulnerability in the Layer 2 Ethernet services of Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause the line card network processor to reset, resulting in a denial of service DoS condition. This vulnerability is due to the incorrect handling of specific Ethernet...

Improper access control

A vulnerability in the access control list ACL processing on MPLS interfaces in the ingress direction of Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass a configured ACL. This vulnerability is due to improper assignment of lookup keys to internal interface contexts...

Improper access control

A vulnerability in the access control list ACL processing on Pseudowire interfaces in the ingress direction of Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass a configured ACL. This vulnerability is due to improper assignment of lookup keys to internal interface...

CVE-2024-20319

Cisco IOS XR Software contains a UDP forwarding code vulnerability that can allow an unauthenticated, adjacent attacker to bypass management plane protection and reach the SNMP server when SNMP is used with management plane protection. The issue arises from incorrect UDP forwarding when handling ...

CVE-2024-20319

A vulnerability in the UDP forwarding code of Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to bypass configured management plane protection policies and access the Simple Network Management Plane SNMP server of an affected device. This vulnerability is due to incorrect...

CVE-2024-20318

Cisco IOS XR Software contains a vulnerability in the Layer 2 Ethernet services that could allow an unauthenticated, adjacent attacker to cause the line card network processor to reset, leading to a DoS. The issue stems from improper handling of specific Ethernet frames on line cards with Layer 2...

CVE-2024-20322

A vulnerability in the access control list ACL processing on Pseudowire interfaces in the ingress direction of Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass a configured ACL. This vulnerability is due to improper assignment of lookup keys to internal interface...

CVE-2024-20322

Cisco IOS XR Software vulnerability CVE-2024-20322 affects MPLS and Pseudowire ingress ACL processing. Root cause: improper assignment of lookup keys to internal interface contexts, enabling an unauthenticated remote attacker to bypass a configured ACL and access resources behind the device. Expl...

CVE-2024-20322

A vulnerability in the access control list ACL processing on Pseudowire interfaces in the ingress direction of Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass a configured ACL. This vulnerability is due to improper assignment of lookup keys to internal interface...

CVE-2024-20266

A vulnerability in the DHCP version 4 DHCPv4 server feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to trigger a crash of the dhcpd process, resulting in a denial of service DoS condition. This vulnerability exists because certain DHCPv4 messages are improperly...

CVE-2024-20266

Cisco IOS XR Software DHCPv4 server (dhcpd) is affected by a vulnerability where malformed DHCPv4 messages are improperly validated, allowing unauthenticated remote attackers to crash dhcpd and cause a DoS while the process restarts (about two minutes). Only dhcpd crashes; the router does not rel...

CVE-2024-20327

Cisco IOS XR Software for ASR 9000 Series (PPPoE termination) is affected by CVE-2024-20327. The issue arises from improper handling of malformed PPPoE packets on a router running BNG PPPoE termination on Lightspeed-based line cards, allowing an unauthenticated adjacent attacker to crash the ppp_...

Cisco IOS XR Software SNMP Management Plane Protection ACL Bypass Vulnerability

A vulnerability in the UDP forwarding code of Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to bypass configured management plane protection policies and access the Simple Network Management Plane SNMP server of an affected device. This vulnerability is due to incorrect...

CVE-2023-20191

A vulnerability in the access control list ACL processing on MPLS interfaces in the ingress direction of Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass a configured ACL. This vulnerability is due to incomplete support for this feature. An attacker could exploit th...

CVE-2023-20236

A vulnerability in the iPXE boot function of Cisco IOS XR software could allow an authenticated, local attacker to install an unverified software image on an affected device. This vulnerability is due to insufficient image verification. An attacker could exploit this vulnerability by manipulating...

Design/Logic Flaw

A vulnerability in the access control list ACL processing on MPLS interfaces in the ingress direction of Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass a configured ACL. This vulnerability is due to incomplete support for this feature. An attacker could exploit th...

CVE-2023-20191

Cisco IOS XR Software ACL bypass vulnerability (CVE-2023-20191) affects ACL processing on MPLS interfaces in the ingress direction. The issue arises from incomplete support for this feature, potentially allowing an unauthenticated, remote attacker to bypass a configured ACL by sending traffic thr...

CVE-2023-20191

A vulnerability in the access control list ACL processing on MPLS interfaces in the ingress direction of Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass a configured ACL. This vulnerability is due to incomplete support for this feature. An attacker could exploit th...

CVE-2023-20135

Cisco IOS XR Software image verification checks contain a TOCTOU race condition during ISO image install queries, enabling an authenticated, local attacker to execute arbitrary code on the device. Affected component: image verification logic in IOS XR. Root cause: TOCTOU between ISO image modific...