medium4.4
CVE-2021-1423
A vulnerability in the implementation of a CLI command in Cisco Aironet Access Points (AP) could allow an authenticated, local attacker to overwrite files in t…
Impact
A vulnerability in the implementation of a CLI command in Cisco Aironet Access Points (AP) could allow an authenticated, local attacker to overwrite files in the flash memory of the device. This vulnerability is due to insufficient input validation for a specific command. An attacker could exploit this vulnerability by issuing a command with crafted arguments. A successful exploit could allow the attacker to overwrite or create files with data that is already present in other files that are hosted on the affected device.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Cisco | Aironet Access Point Software | All versions |
| Cisco | Catalyst 9800 Firmware | before 16.12.5 from 17.1 through 17.2 |
| Cisco | Wireless Lan Controller Software | before 8.5.171.0 from 8.6 before 8.10.130.0 |