Vulnerability · Published Mar 24, 2021 · Assigned by cisco

CVE-2021-1437Cisco Aironet Access Points FlexConnect Upgrade Information Disclosure Vulnerability

High 7.5

In plain English

A high-severity security flaw in Cisco Aironet Access Point Software from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 75% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High

Exploit odds (30 days)1.5%top 24.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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).

Affected products (as reported)

Vendor	Product	Versions
Cisco	Cisco Aironet Access Point Software	n/a

Weakness: CWE-275 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

20210324 Cisco Aironet Access Points FlexConnect Upgrade Information Disclosure Vulnerability vendor-advisory, x_refsource_CISCO