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Cisco Aironet Access Points Arbitrary File Overwrite Vulnerability

cisco-sa-ap-foverwrt-HyVXvrtb · Medium · Published · Updated

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. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ap-foverwrt-HyVXvrtb

Cisco advisory ·CSAF JSON

Workarounds

There are no workarounds that address this vulnerability.

CVEsCVE-2021-1423
Cisco Bug IDsCSCvu98274
CVSS ScoreBase 4.4
Base 4.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N/E:X/RL:X/RC:X
Product Names From Source
Cisco Aironet Access Point Software, Cisco Aironet Access Point Software (IOS XE Controller)

CSAF Product Statuses

Product Status Source CVE Rows
Cisco Aironet Access Point Software known_affected cisco_csaf CVE-2021-1423 1
Cisco Aironet Access Point Software (IOS XE Controller) known_affected cisco_csaf CVE-2021-1423 1

Related Products

Product CVE Evidence
Cisco Aironet Access Point Software CVE-2021-1423 Cisco OpenVuln
Cisco Aironet Access Point Software (IOS XE Controller) CVE-2021-1423 Cisco OpenVuln
Cisco IOS XE Software CVE-2021-1423 Cisco OpenVuln