CVE-2025-20338

MEDIUM
Published Sep 24, 2025 Modified Nov 14, 2025 CWE-141

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.

CVSS v3.1 Score

6.0
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

Weakness Type (CWE)

CWE-141 CWE-141

Affected Products

Vendor Product
cisco ios_xe
cisco ios_xe
cisco ios_xe
cisco ios_xe
cisco ios_xe
cisco ios_xe
cisco ios_xe
cisco ios_xe
cisco ios_xe
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cisco ios_xe

References

Frequently Asked Questions

What is CVE-2025-20338? +
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. It has a CVSS v3.1 base score of 6.0 (MEDIUM).
How severe is CVE-2025-20338? +
CVE-2025-20338 has a CVSS v3.1 score of 6.0 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2025-20338? +
CVE-2025-20338 affects products from cisco, specifically: ios_xe. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2025-20338? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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