CVE-2021-1381: Cisco IOS XE Software Active Debug Code Vulnerability
A vulnerability in Cisco IOS XE Software could allow an authenticated, local attacker with high privileges or an unauthenticated attacker with physical access to the device to open a debugging console. The vulnerability is due to insufficient command authorization restrictions. An attacker could exploit this vulnerability by running commands on the hardware platform to open a debugging console. A successful exploit could allow the attacker to access a debugging console.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-1381?
The severity of CVE-2021-1381 is rated as high due to the potential for unauthorized access to sensitive debugging information.
What kind of access is required to exploit CVE-2021-1381?
CVE-2021-1381 can be exploited by an authenticated attacker with high privileges or an unauthenticated attacker with physical access to the device.
How do I fix CVE-2021-1381?
To remediate CVE-2021-1381, users should apply the latest security patches provided by Cisco for their affected IOS XE software versions.
Which Cisco IOS XE software versions are affected by CVE-2021-1381?
CVE-2021-1381 affects multiple versions of Cisco IOS XE, including 16.11.1 and 17.2.3 among others.
What are the potential implications of CVE-2021-1381?
The implications of CVE-2021-1381 include unauthorized access to a debugging console, which could lead to further exploitation of the device.