CVE-2023-20235: High severity Cisco IOS XE vulnerability
A vulnerability in the on-device application development workflow feature for the Cisco IOx application hosting infrastructure in Cisco IOS XE Software could allow an authenticated, remote attacker to access the underlying operating system as the root user. This vulnerability exists because Docker containers with the privileged runtime option are not blocked when they are in application development mode. An attacker could exploit this vulnerability by using the Docker CLI to access an affected device. The application development workflow is meant to be used only on development systems and not in production systems.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2023-20235?
CVE-2023-20235 is a vulnerability in the on-device application development workflow feature for the Cisco IOx application hosting infrastructure in Cisco IOS XE Software.
How can an attacker exploit CVE-2023-20235?
An authenticated, remote attacker can exploit CVE-2023-20235 to access the underlying operating system as the root user.
What is the severity rating of CVE-2023-20235?
CVE-2023-20235 has a severity rating of 8.8 (high).
Which software is affected by CVE-2023-20235?
CVE-2023-20235 affects Cisco IOx application hosting infrastructure in Cisco IOS XE Software up to version 17.3.1.
How can I fix CVE-2023-20235?
To fix CVE-2023-20235, it is recommended to upgrade to a fixed Cisco IOS XE Software version as mentioned in the Cisco Security Advisory.