CVE-2026-20118

A vulnerability in the handling of an Egress Packet Network Interface EPNI Aligner interrupt in Cisco IOS XR Software for Cisco Network Convergence System NCS 5500 Series with NC57 line cards and Cisco NCS 5700 Routers and Cisco IOS XR Software for Third Party Software could allow an...

CVE-2026-20046

A vulnerability in task group assignment for a specific CLI command in Cisco IOS XR Software could allow an authenticated, local attacker to elevate privileges and gain full administrative control of an affected device. This vulnerability is due to incorrect mapping of a command to task groups...

CVE-2026-20040

A vulnerability in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker to execute arbitrary commands as root on the underlying operating system of an affected device. This vulnerability is due to insufficient validation of user arguments that are passed to specific CLI...

Cisco IOS XR Software CLI Privilege Escalation (cisco-sa-iosxr-privesc-bF8D5U4W)

According to its self-reported version, Cisco IOS XR is affected by a vulnerability. - A vulnerability in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker to execute arbitrary commands as root on the underlying operating system of an affected device. This vulnerabilit...

EUVD-2026-11224

A vulnerability in the handling of an Egress Packet Network Interface EPNI Aligner interrupt in Cisco IOS XR Software for Cisco Network Convergence System NCS 5500 Series with NC57 line cards and Cisco NCS 5700 Routers and Cisco IOS XR Software for Third Party Software could allow an...

EUVD-2026-11216

A vulnerability in task group assignment for a specific CLI command in Cisco IOS XR Software could allow an authenticated, local attacker to elevate privileges and gain full administrative control of an affected device. This vulnerability is due to incorrect mapping of a command to task groups...

CVE-2026-20046

A vulnerability in task group assignment for a specific CLI command in Cisco IOS XR Software could allow an authenticated, local attacker to elevate privileges and gain full administrative control of an affected device. This vulnerability is due to incorrect mapping of a command to task groups...

CVE-2026-20040

A vulnerability in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker to execute arbitrary commands as root on the underlying operating system of an affected device. This vulnerability is due to insufficient validation of user arguments that are passed to specific CLI...

CVE-2026-20046 Cisco IOS XR Software CLI Privilege Escalation Vulnerability

A vulnerability in task group assignment for a specific CLI command in Cisco IOS XR Software could allow an authenticated, local attacker to elevate privileges and gain full administrative control of an affected device. This vulnerability is due to incorrect mapping of a command to task groups...

CVE-2026-20046

CVE-2026-20046 affects Cisco IOS XR Software. The vulnerability stems from an incorrect mapping of a CLI command to task groups, allowing an authenticated, low-privileged local attacker to bypass task group checks and elevate privileges to full administrative control. Impact stated as privilege e...

CVE-2026-20046

A vulnerability in task group assignment for a specific CLI command in Cisco IOS XR Software could allow an authenticated, local attacker to elevate privileges and gain full administrative control of an affected device. This vulnerability is due to incorrect mapping of a command to task groups...

CVE-2026-20074

The CVE concerns Cisco IOS XR Software’s IS-IS multi-instance routing feature. An unauthenticated, Layer-2 adjacent attacker can trigger the IS-IS process to restart by sending crafted ingress IS-IS packets after forming an adjacency, due to insufficient input validation. The resulting impact is ...

CVE-2026-20074 Cisco IOS XR Software Multi-Instance Intermediate System-to-Intermediate System Denial of Service Vulnerability

A vulnerability in the Intermediate System-to-Intermediate System IS-IS multi-instance routing feature of Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause the IS-IS process to restart unexpectedly. This vulnerability is due to insufficient input validation of ingre...

CVE-2026-20040 Cisco IOS XR Software CLI Privilege Escalation Vulnerability

A vulnerability in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker to execute arbitrary commands as root on the underlying operating system of an affected device. This vulnerability is due to insufficient validation of user arguments that are passed to specific CLI...

CVE-2026-20040

A vulnerability in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker to execute arbitrary commands as root on the underlying operating system of an affected device. This vulnerability is due to insufficient validation of user arguments that are passed to specific CLI...

Cisco IOS XR Egress Packet Network Interface Aligner Interrupt Denial of Service Vulnerability

A vulnerability in the handling of an Egress Packet Network Interface EPNI Aligner interrupt in Cisco IOS XR Software for Cisco Network Convergence System NCS 5500 Series with NC57 line cards and Cisco NCS 5700 Routers and Cisco IOS XR Software for Third Party Software could allow an...

Cisco IOS XR 安全漏洞

Cisco IOS XR is an operating system developed by the American company Cisco for its network devices. There is a security vulnerability in Cisco IOS XR, which stems from insufficient input validation of IS-IS packet headers. This vulnerability may lead to unexpected restarts of the IS-IS process a...

PT-2026-24729

A vulnerability in task group assignment for a specific CLI command in Cisco IOS XR Software could allow an authenticated, local attacker to elevate privileges and gain full administrative control of an affected device. This vulnerability is due to incorrect mapping of a command to task groups...

Cisco IOS XR 操作系统命令注入漏洞

Cisco IOS XR is an operating system developed by the American company Cisco for its network devices. Cisco IOS XR has a vulnerability related to operating system command injection, which stems from insufficient validation of user parameters in certain CLI commands. This vulnerability may lead to...

CVE-2011-0949

Cisco IOS XR 3.6.x, 3.8.x before 3.8.3, and 3.9.x before 3.9.1 does not properly remove sshdlock files from /tmp/, which allows remote attackers to cause a denial of service disk consumption by making many SSHv1 connections, aka Bug ID CSCtd64417...