#VU124590 Incorrect Privilege Assignment in Cisco IOS XE - CVE-2026-20110

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Main Vulnerability Database Vulnerabilities #VU124590

#VU124590 Incorrect Privilege Assignment in Cisco IOS XE - CVE-2026-20110

Published: March 25, 2026


Vulnerability identifier: #VU124590
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-20110
CWE-ID: CWE-266
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Cisco IOS XE
Software vendor:
Cisco Systems, Inc

Description

The vulnerability allows a local user to cause a denial of service.

The vulnerability exists due to improper access control in the CLI when handling the start maintenance command. A local user can send a specially crafted command to cause a denial of service.

Exploitation requires authentication with low-privileged user credentials and local access to the device CLI.


Remediation

Install security update from vendor's website.

External links