CVE Vulnerability

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 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.

2.1 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

4.4 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 0.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ap-foverwrt-HyVXvrtb Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:cisco:wireless_lan_controller_software:*:*:*:*:*:*:*:*
cpe:2.3:a:cisco:wireless_lan_controller_software:*:*:*:*:*:*:*:*
Information

Published : 2021-03-24 09:15

Updated : 2022-10-21 07:43

NVD link : CVE-2021-1423

Mitre link : CVE-2021-1423

Products Affected

Aironet 4800

Cisco

CWE
CWE-668