CVE-2021-1449: cisco aironet_access_point_software Improper Access Control

Vulnerability summary

CVE-2021-1449 is a medium (CVSS 6.7) Improper Access Control vulnerability in cisco aironet_access_point_software. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 18.6% of scored vulnerabilities.

Timeline

1. 24-03-2021
   PublishedVulnerability first disclosed.
2. 08-11-2024
   Last modifiedVulnerability information updated.

Description

A vulnerability in the boot logic of Cisco Access Points Software could allow an authenticated, local attacker to execute unsigned code at boot time. The vulnerability is due to an improper check that is performed by the area of code that manages system startup processes. An attacker could exploit this vulnerability by modifying a specific file that is stored on the system, which would allow the attacker to bypass existing protections. A successful exploit could allow the attacker to execute unsigned code at boot time and bypass the software image verification check part of the secure boot process of an affected device. Note: To exploit this vulnerability, the attacker would need to have access to the development shell (devshell) on the device.

• CWE-284Improper Access ControlThe product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.