CVE-2021-1423: medium-severity vulnerability in Cisco Aironet Access Point Software
Cisco Aironet Access Points Arbitrary File Overwrite Vulnerability
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 4.4epss 0.2%
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.
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
Affected products
Cisco · Cisco Aironet Access Point SoftwareRelated CVEs — Cisco Aironet Access Point Software
In the same product, most dangerous first.
CVE-2019-15260CRITICALCisco Aironet Access Points Unauthorized Access VulnerabilityEPSS 3.0%CVE-2021-1437HIGHCisco Aironet Access Points FlexConnect Upgrade Information Disclosure VulnerabilityEPSS 1.5%CVE-2020-3262HIGHCisco Wireless LAN Controller CAPWAP Denial of Service VulnerabilityEPSS 1.5%CVE-2020-3560HIGHCisco Aironet Access Points UDP Flooding Denial of Service VulnerabilityEPSS 1.4%CVE-2020-3559MEDIUMCisco Aironet Access Point Authentication Flood Denial of Service VulnerabilityEPSS 1.4%CVE-2022-20622HIGHCisco Embedded Wireless Controller with Catalyst Access Points IP Flood Denial of Service VulnerabilityEPSS 1.4%