CVE-2024-20343: Cisco IOS XR Software CLI Arbitrary File Read Vulnerability

Published Sep 11, 2024
·
Updated

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.

Affected Software

67 affected components
All of the following
Any of the following
Cisco IOS XR=6.5.1
Cisco IOS XR=6.5.2
Cisco IOS XR=6.5.3
Cisco IOS XR=6.5.15
Cisco IOS XR=6.5.92
Cisco IOS XR=6.5.93
Cisco IOS XR=6.6.1
Cisco IOS XR=6.6.2
Cisco IOS XR=6.6.3
Cisco IOS XR=6.6.4
Cisco IOS XR=6.6.11
Cisco IOS XR=6.6.12
Cisco IOS XR=6.6.25
Cisco IOS XR=7.0.0
Cisco IOS XR=7.0.1
Cisco IOS XR=7.0.2
Cisco IOS XR=7.0.11
Cisco IOS XR=7.0.12
Cisco IOS XR=7.0.14
Cisco IOS XR=7.0.90
Cisco IOS XR=7.1.1
Cisco IOS XR=7.1.2
Cisco IOS XR=7.1.3
Cisco IOS XR=7.1.15
Cisco IOS XR=7.1.25
Cisco IOS XR=7.2.0
Cisco IOS XR=7.2.1
Cisco IOS XR=7.2.2
Cisco IOS XR=7.2.12
Cisco IOS XR=7.3.1
Cisco IOS XR=7.3.2
Cisco IOS XR=7.3.3
Cisco IOS XR=7.3.4
Cisco IOS XR=7.3.5
Cisco IOS XR=7.3.6
Cisco IOS XR=7.3.15
Cisco IOS XR=7.3.16
Cisco IOS XR=7.3.27
Cisco IOS XR=7.4.1
Cisco IOS XR=7.4.2
Cisco IOS XR=7.4.15
Cisco IOS XR=7.4.16
Cisco IOS XR=7.5.1
Cisco IOS XR=7.5.2
Cisco IOS XR=7.5.3
Cisco IOS XR=7.5.4
Cisco IOS XR=7.5.5
Cisco IOS XR=7.5.12
Cisco IOS XR=7.5.52
Cisco IOS XR=7.6.1
Cisco IOS XR=7.6.2
Cisco IOS XR=7.6.15
Cisco IOS XR=7.7.1
Cisco IOS XR=7.7.2
Cisco IOS XR=7.7.21
Cisco IOS XR=7.8.1
Cisco IOS XR=7.8.2
Cisco IOS XR=7.8.12
Cisco IOS XR=7.8.22
Cisco IOS XR=7.9.1
Cisco IOS XR=7.9.2
Cisco IOS XR=7.9.21
Cisco IOS XR=7.10.1
Cisco IOS XR=7.10.2
Cisco IOS XR=7.11.1
Cisco IOS XR=24.1.1
Linux Linux kernel

Event History

Sep 11, 2024
CVE Published
via MITRE·04:38 PM
Data Sourced
via MITRE·04:38 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:15 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

What is the severity of CVE-2024-20343?

CVE-2024-20343 is rated as a high-severity vulnerability which allows local attackers to read any file in the Cisco IOS XR file system.

2

How do I fix CVE-2024-20343?

To fix CVE-2024-20343, update your Cisco IOS XR software to the latest version that addresses this vulnerability.

3

Who is affected by CVE-2024-20343?

CVE-2024-20343 affects authenticated local users of Cisco IOS XR software running specific versions from 6.5.1 to 7.11.1.

4

What type of attackers can exploit CVE-2024-20343?

CVE-2024-20343 can be exploited by authenticated, local attackers who possess valid credentials on affected Cisco devices.

5

What potential impact does CVE-2024-20343 pose?

CVE-2024-20343 may allow attackers to access sensitive files, potentially leading to further exploitation or data breaches.

Contact

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