CVE-2026-20046

Summary

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 within the source code. An attacker with a low-privileged account could exploit this vulnerability by using the CLI command to bypass the task group–based checks. A successful exploit could allow the attacker to elevate privileges and perform actions on an affected device without authorization checks.

Affected Software

VendorProductVersion RangeStatus
CiscoCisco IOS XR Software6.6.1affected
CiscoCisco IOS XR Software6.5.3affected
CiscoCisco IOS XR Software7.0.1affected
CiscoCisco IOS XR Software6.5.1affected
CiscoCisco IOS XR Software6.5.2affected
CiscoCisco IOS XR Software6.6.2affected
CiscoCisco IOS XR Software6.6.25affected
CiscoCisco IOS XR Software7.1.1affected
CiscoCisco IOS XR Software7.0.90affected
CiscoCisco IOS XR Software6.6.3affected
CiscoCisco IOS XR Software7.0.2affected
CiscoCisco IOS XR Software7.1.2affected
CiscoCisco IOS XR Software7.2.1affected
CiscoCisco IOS XR Software6.6.4affected
CiscoCisco IOS XR Software7.3.1affected
CiscoCisco IOS XR Software7.4.1affected
CiscoCisco IOS XR Software7.2.2affected
CiscoCisco IOS XR Software7.3.2affected
CiscoCisco IOS XR Software7.5.1affected
CiscoCisco IOS XR Software7.6.1affected
CiscoCisco IOS XR Software7.5.2affected
CiscoCisco IOS XR Software7.3.4affected
CiscoCisco IOS XR Software7.3.3affected
CiscoCisco IOS XR Software7.4.2affected
CiscoCisco IOS XR Software7.7.1affected
CiscoCisco IOS XR Software7.6.2affected
CiscoCisco IOS XR Software7.8.1affected
CiscoCisco IOS XR Software7.7.2affected
CiscoCisco IOS XR Software7.9.1affected
CiscoCisco IOS XR Software7.8.2affected
CiscoCisco IOS XR Software7.5.4affected
CiscoCisco IOS XR Software7.8.22affected
CiscoCisco IOS XR Software7.10.1affected
CiscoCisco IOS XR Software7.7.21affected
CiscoCisco IOS XR Software7.9.2affected
CiscoCisco IOS XR Software7.5.5affected
CiscoCisco IOS XR Software7.11.1affected
CiscoCisco IOS XR Software7.10.2affected
CiscoCisco IOS XR Software7.3.6affected
CiscoCisco IOS XR Software24.1.1affected
CiscoCisco IOS XR Software7.11.2affected
CiscoCisco IOS XR Software24.2.1affected
CiscoCisco IOS XR Software24.1.2affected
CiscoCisco IOS XR Software24.3.1affected
CiscoCisco IOS XR Software24.4.1affected
CiscoCisco IOS XR Software24.2.2affected
CiscoCisco IOS XR Software7.11.21affected
CiscoCisco IOS XR Software24.2.20affected
CiscoCisco IOS XR Software24.3.2affected
CiscoCisco IOS XR Software24.4.2affected
CiscoCisco IOS XR Software25.1.1affected
CiscoCisco IOS XR Software24.3.20affected
CiscoCisco IOS XR Software25.2.1affected
CiscoCisco IOS XR Software25.1.2affected
CiscoCisco IOS XR Software24.3.30affected
CiscoCisco IOS XR Software24.2.21affected
CiscoCisco IOS XR Software25.1.30affected

Weaknesses

  • CWE-264: Permissions, Privileges, and Access Control

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References