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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
4.4 MEDIUM
LOCAL
LOW
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
ciscoCNA
4.4 MEDIUM
LOCAL
LOW
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
CVEADP
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CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 21%
VendorProductVersion
ciscoaironet_access_point_software
-
ciscocatalyst_9800_firmware
𝑥
< 16.12.5
ciscocatalyst_9800_firmware
17.1 ≤
𝑥
≤ 17.2
ciscowireless_lan_controller_software
𝑥
< 8.5.171.0
ciscowireless_lan_controller_software
8.6 ≤
𝑥
< 8.10.130.0
𝑥
= Vulnerable software versions