CVE-2025-20115

A vulnerability in confederation implementation for the Border Gateway Protocol BGP in Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition. This vulnerability is due to a memory corruption that occurs when a BGP update is created with a...

CVE-2025-20144

A vulnerability in the hybrid access control list ACL processing of IPv4 packets in Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass a configured ACL. This vulnerability is due to incorrect handling of packets when a specific configuration of the hybrid ACL exists. ...

CVE-2025-20209 Cisco IOS XR Software Internet Key Exchange Version 2 Denial of Service Vulnerability

A vulnerability in the Internet Key Exchange version 2 IKEv2 function of Cisco IOS XR Software could allow an unauthenticated, remote attacker to prevent an affected device from processing any control plane UDP packets. This vulnerability is due to improper handling of malformed IKEv2 packets. An...

CVE-2025-20209 Cisco IOS XR Software Internet Key Exchange Version 2 Denial of Service Vulnerability

A vulnerability in the Internet Key Exchange version 2 IKEv2 function of Cisco IOS XR Software could allow an unauthenticated, remote attacker to prevent an affected device from processing any control plane UDP packets. This vulnerability is due to improper handling of malformed IKEv2 packets. An...

CVE-2025-20209

CVE-2025-20209 describes a denial-of-service vulnerability in Cisco IOS XR’s Internet Key Exchange version 2 (IKEv2) handling. The issue arises from improper processing of malformed IKEv2 packets, which could allow an unauthenticated, remote attacker to prevent the device from processing any cont...

CVE-2025-20177 Cisco IOS XR Software Image Verification Bypass Vulnerability

A vulnerability in the boot process of Cisco IOS XR Software could allow an authenticated, local attacker to bypass Cisco IOS XR image signature verification and load unverified software on an affected device. To exploit this vulnerability, the attacker must have root-system privileges on the...

CVE-2025-20177

The CVE-2025-20177 issue affects Cisco IOS XR Software during boot. Affected component: boot verification process; root-privileged, authenticated local attacker can bypass image signature verification and load unverified software by manipulating system configuration options, potentially altering ...

CVE-2025-20177 Cisco IOS XR Software Image Verification Bypass Vulnerability

A vulnerability in the boot process of Cisco IOS XR Software could allow an authenticated, local attacker to bypass Cisco IOS XR image signature verification and load unverified software on an affected device. To exploit this vulnerability, the attacker must have root-system privileges on the...

CVE-2025-20146 Cisco IOS XR Software for ASR 9000 Series Routers Layer 3 Multicast Routing Denial of Service Vulnerability

A vulnerability in the Layer 3 multicast feature of Cisco IOS XR Software for Cisco ASR 9000 Series Aggregation Services Routers, ASR 9902 Compact High-Performance Routers, and ASR 9903 Compact High-Performance Routers could allow an unauthenticated, remote attacker to cause a line card to reset,...

CVE-2025-20146

The CVE-2025-20146 entry describes a vulnerability in Cisco IOS XR Software for the ASR 9000 Series, including ASR 9902/9903 routers. The issue stems from incorrect handling of malformed IPv4 multicast packets on line cards where the interface has an IPv4 ACL or QoS policy. An unauthenticated, re...

CVE-2025-20146 Cisco IOS XR Software for ASR 9000 Series Routers Layer 3 Multicast Routing Denial of Service Vulnerability

A vulnerability in the Layer 3 multicast feature of Cisco IOS XR Software for Cisco ASR 9000 Series Aggregation Services Routers, ASR 9902 Compact High-Performance Routers, and ASR 9903 Compact High-Performance Routers could allow an unauthenticated, remote attacker to cause a line card to reset,...

CVE-2025-20145 Cisco IOS XR Software Access Control List Bypass Vulnerability

A vulnerability in the access control list ACL processing in the egress direction of Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass a configured ACL. This vulnerability exists because certain packets are handled incorrectly when they are received on an ingress...

CVE-2025-20145 Cisco IOS XR Software Access Control List Bypass Vulnerability

A vulnerability in the access control list ACL processing in the egress direction of Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass a configured ACL. This vulnerability exists because certain packets are handled incorrectly when they are received on an ingress...

CVE-2025-20145

Cisco IOS XR Software contains an ACL processing issue in the egress direction that can allow an unauthenticated, remote attacker to bypass a configured egress ACL. The root cause involves certain packets being mishandled when received on an ingress interface on one line card and destined to an e...

CVE-2025-20144 Cisco IOS XR Software Access Control List Bypass Vulnerability

A vulnerability in the hybrid access control list ACL processing of IPv4 packets in Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass a configured ACL. This vulnerability is due to incorrect handling of packets when a specific configuration of the hybrid ACL exists. ...

CVE-2025-20144

Cisco IOS XR Software is affected by CVE-2025-20144 due to incorrect handling of IPv4 traffic in the hybrid access control list (ACL) processing. Affected component: hybrid ACL configuration/processing; impact: unauthenticated, remote attacker can bypass a configured ACL by sending traffic throug...

CVE-2025-20144 Cisco IOS XR Software Access Control List Bypass Vulnerability

A vulnerability in the hybrid access control list ACL processing of IPv4 packets in Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass a configured ACL. This vulnerability is due to incorrect handling of packets when a specific configuration of the hybrid ACL exists. ...

CVE-2025-20143 Cisco IOS XR Software Secure Boot Bypass Vulnerability

A vulnerability in the boot process of Cisco IOS XR Software could allow an authenticated, local attacker with high privileges to bypass the Secure Boot functionality and load unverified software on an affected device. To exploit this vulnerability, the attacker must have root-system privileges o...

CVE-2025-20143

CVE-2025-20143 concerns Cisco IOS XR Software: a vulnerability in the boot process due to insufficient module verification during software loading. An authenticated, high-privilege local attacker could bypass Secure Boot and load unverified binaries, potentially controlling boot configuration and...

CVE-2025-20143 Cisco IOS XR Software Secure Boot Bypass Vulnerability

A vulnerability in the boot process of Cisco IOS XR Software could allow an authenticated, local attacker with high privileges to bypass the Secure Boot functionality and load unverified software on an affected device. To exploit this vulnerability, the attacker must have root-system privileges o...