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CVE-2025-20338

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CVE-2025-20338

Published: Sep 24, 2025

Modified: Feb 26, 2026

PUBLISHED

CVSS v3.1

6.0

MEDIUM

Description

A vulnerability in the CLI of Cisco IOS XE Software could allow an authenticated, local attacker with administrative privileges 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 could exploit this vulnerability by logging in to the device CLI with valid administrative (level 15) credentials and using crafted commands at the CLI prompt. A successful exploit could allow the attacker to execute arbitrary commands as root.

VendorProductVersions

Cisco

Cisco IOS XE Software

affected
3.5.0E
affected
3.5.1E
affected
3.5.2E
affected
3.5.3E
affected
3.11.1S

+369 more versions

Weaknesses (CWE)

CWE-141

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

References

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