CVE-2024-20343

MEDIUM
Published Sep 11, 2024 Modified Oct 7, 2024 CWE-284

Description

A vulnerability in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker to read any file in the file system of the underlying Linux operating system. The attacker must have valid credentials on the affected device. This vulnerability is due to incorrect validation of the arguments that are passed to a specific CLI command. An attacker could exploit this vulnerability by logging in to an affected device with low-privileged credentials and using the affected command. A successful exploit could allow the attacker access files in read-only mode on the Linux file system.

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CVSS v3.1 Score

5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weakness Type (CWE)

CWE-284 CWE-284

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
linux linux_kernel

References

Frequently Asked Questions

What is CVE-2024-20343? +
A vulnerability in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker to read any file in the file system of the underlying Linux operating system. The attacker must have valid credentials on the affected device. This vulnerability is due to incorrect validation of the arguments that are passed to a specific CLI command. An attacker could exploit this vulnerability by logging in to an affected device with low-privileged credentials and using the affected command. A successful exploit could allow the attacker access files in read-only mode on the Linux file system. It has a CVSS v3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2024-20343? +
CVE-2024-20343 has a CVSS v3.1 score of 5.5 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-2024-20343? +
CVE-2024-20343 affects products from cisco, linux, specifically: ios_xr, linux_kernel. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2024-20343? +
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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