CVE-2024-20398: Cisco IOS XR Software Local Privilege Escalation Vulnerability
First published: Wed Sep 11 2024(Updated: )
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.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco IOS XRv 9000 | =6.5.1 | |
| Cisco IOS XRv 9000 | =6.5.2 | |
| Cisco IOS XRv 9000 | =6.5.3 | |
| Cisco IOS XRv 9000 | =6.5.15 | |
| Cisco IOS XRv 9000 | =6.5.25 | |
| Cisco IOS XRv 9000 | =6.5.26 | |
| Cisco IOS XRv 9000 | =6.5.28 | |
| Cisco IOS XRv 9000 | =6.5.29 | |
| Cisco IOS XRv 9000 | =6.5.31 | |
| Cisco IOS XRv 9000 | =6.5.32 | |
| Cisco IOS XRv 9000 | =6.5.33 | |
| Cisco IOS XRv 9000 | =6.5.90 | |
| Cisco IOS XRv 9000 | =6.5.92 | |
| Cisco IOS XRv 9000 | =6.5.93 | |
| Cisco IOS XRv 9000 | =6.6.1 | |
| Cisco IOS XRv 9000 | =6.6.2 | |
| Cisco IOS XRv 9000 | =6.6.3 | |
| Cisco IOS XRv 9000 | =6.6.4 | |
| Cisco IOS XRv 9000 | =6.6.11 | |
| Cisco IOS XRv 9000 | =6.6.12 | |
| Cisco IOS XRv 9000 | =6.6.25 | |
| Cisco IOS XRv 9000 | =7.0.0 | |
| Cisco IOS XRv 9000 | =7.0.1 | |
| Cisco IOS XRv 9000 | =7.0.2 | |
| Cisco IOS XRv 9000 | =7.0.11 | |
| Cisco IOS XRv 9000 | =7.0.12 | |
| Cisco IOS XRv 9000 | =7.0.14 | |
| Cisco IOS XRv 9000 | =7.0.90 | |
| Cisco IOS XRv 9000 | =7.1.1 | |
| Cisco IOS XRv 9000 | =7.1.2 | |
| Cisco IOS XRv 9000 | =7.1.3 | |
| Cisco IOS XRv 9000 | =7.1.15 | |
| Cisco IOS XRv 9000 | =7.1.25 | |
| Cisco IOS XRv 9000 | =7.2.0 | |
| Cisco IOS XRv 9000 | =7.2.1 | |
| Cisco IOS XRv 9000 | =7.2.2 | |
| Cisco IOS XRv 9000 | =7.2.12 | |
| Cisco IOS XRv 9000 | =7.3.1 | |
| Cisco IOS XRv 9000 | =7.3.2 | |
| Cisco IOS XRv 9000 | =7.3.3 | |
| Cisco IOS XRv 9000 | =7.3.4 | |
| Cisco IOS XRv 9000 | =7.3.5 | |
| Cisco IOS XRv 9000 | =7.3.6 | |
| Cisco IOS XRv 9000 | =7.3.15 | |
| Cisco IOS XRv 9000 | =7.3.16 | |
| Cisco IOS XRv 9000 | =7.3.27 | |
| Cisco IOS XRv 9000 | =7.4.1 | |
| Cisco IOS XRv 9000 | =7.4.2 | |
| Cisco IOS XRv 9000 | =7.4.15 | |
| Cisco IOS XRv 9000 | =7.4.16 | |
| Cisco IOS XRv 9000 | =7.5.1 | |
| Cisco IOS XRv 9000 | =7.5.2 | |
| Cisco IOS XRv 9000 | =7.5.3 | |
| Cisco IOS XRv 9000 | =7.5.4 | |
| Cisco IOS XRv 9000 | =7.5.5 | |
| Cisco IOS XRv 9000 | =7.5.12 | |
| Cisco IOS XRv 9000 | =7.5.52 | |
| Cisco IOS XRv 9000 | =7.6.1 | |
| Cisco IOS XRv 9000 | =7.6.2 | |
| Cisco IOS XRv 9000 | =7.6.3 | |
| Cisco IOS XRv 9000 | =7.6.15 | |
| Cisco IOS XRv 9000 | =7.7.1 | |
| Cisco IOS XRv 9000 | =7.7.2 | |
| Cisco IOS XRv 9000 | =7.7.21 | |
| Cisco IOS XRv 9000 | =7.8.1 | |
| Cisco IOS XRv 9000 | =7.8.2 | |
| Cisco IOS XRv 9000 | =7.8.12 | |
| Cisco IOS XRv 9000 | =7.8.22 | |
| Cisco IOS XRv 9000 | =7.9.1 | |
| Cisco IOS XRv 9000 | =7.9.2 | |
| Cisco IOS XRv 9000 | =7.9.21 | |
| Cisco IOS XRv 9000 | =7.10.1 | |
| Cisco IOS XRv 9000 | =7.10.2 | |
| Cisco IOS XRv 9000 | =7.11.1 | |
| Cisco IOS XRv 9000 | =7.11.2 | |
| Cisco IOS XRv 9000 | =24.1.1 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2024-20398?
CVE-2024-20398 has been rated as a high severity vulnerability.
How do I fix CVE-2024-20398?
To fix CVE-2024-20398, upgrade to a patched version of Cisco IOS XR Software as specified by Cisco.
Who is affected by CVE-2024-20398?
CVE-2024-20398 affects devices running Cisco IOS XR Software versions 6.5.1, 6.5.2, 6.5.3, and various 7.x versions.
What type of access does CVE-2024-20398 allow an attacker?
CVE-2024-20398 allows authenticated, local attackers to obtain read/write file system access on the underlying operating system.
Can CVE-2024-20398 be exploited remotely?
No, CVE-2024-20398 requires local authenticated access for exploitation.
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