CVE-2021-1437: high-severity vulnerability in Cisco Aironet Access Point Software
Cisco Aironet Access Points FlexConnect Upgrade Information Disclosure Vulnerability
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 1.5%
A vulnerability in the FlexConnect Upgrade feature of Cisco Aironet Series Access Points Software could allow an unauthenticated, remote attacker to obtain confidential information from an affected device. This vulnerability is due to an unrestricted Trivial File Transfer Protocol (TFTP) configuration. An attacker could exploit this vulnerability by sending a specific TFTP request to an affected device. A successful exploit could allow the attacker to download any file from the filesystem of the affected access point (AP).
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/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-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%CVE-2019-15261HIGHCisco Aironet Access Points Point-to-Point Tunneling Protocol Denial of Service VulnerabilityEPSS 1.4%