CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NCVE-2021-1437
High (7.5) in cisco. EPSS 1.5% chance of exploitation in the next 30 days.
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).
Severity
- EPSS
- 1.5% chance of exploitation in the next 30 days; higher than 75% of CVEs (scores of 2026-10-31)
- CWE
- CWE-275
- Published
- Modified
- Record from
- the NVD, synced
Affected
- cisco:aironet_access_point_software
- cisco:catalyst_9800_firmware
- cisco:wireless_lan_controller_software