CVE-2025-20138: 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 commands. An attacker with a low-privileged account could exploit this vulnerability by using crafted commands at the prompt. A successful exploit could allow the attacker to elevate privileges to root and execute arbitrary commands.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-20138?
CVE-2025-20138 is classified as a high severity vulnerability due to its potential for privilege escalation.
How do I fix CVE-2025-20138?
To fix CVE-2025-20138, update the Cisco IOS XR Software to the latest version available from Cisco.
Who is affected by CVE-2025-20138?
CVE-2025-20138 affects devices running Cisco IOS XR Software where an authenticated local attacker can exploit the vulnerability.
What type of attack does CVE-2025-20138 allow?
CVE-2025-20138 allows an authenticated local attacker to execute arbitrary commands as root on the affected device's operating system.
Is CVE-2025-20138 exploitable remotely?
CVE-2025-20138 is not remotely exploitable; it requires local authenticated access to the affected device.