CVE-2024-20398

HIGH
Published Sep 11, 2024 Modified Oct 3, 2024 CWE-78

Description

A vulnerability in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker to obtain read/write file system access 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.

Is your site exposed to CVE-2024-20398?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

8.8
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Weakness Type (CWE)

CWE-78 OS Command Injection

Affected Products

Vendor Product
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr
cisco ios_xr

References

Frequently Asked Questions

What is CVE-2024-20398? +
A vulnerability in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker to obtain read/write file system access 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. It has a CVSS v3.1 base score of 8.8 (HIGH).
How severe is CVE-2024-20398? +
CVE-2024-20398 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.
What products are affected by CVE-2024-20398? +
CVE-2024-20398 affects products from cisco, specifically: ios_xr. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2024-20398? +
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.

Related Vulnerabilities

Don't wait for an exploit

Scan your website for vulnerabilities like CVE-2024-20398 — free, no signup required.