SB2021032512 - Information disclosure in Cisco Aironet Access Points



SB2021032512 - Information disclosure in Cisco Aironet Access Points

Published: March 25, 2021

Security Bulletin ID SB2021032512
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Information disclosure (CVE-ID: CVE-2021-1437)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to an unrestricted Trivial File Transfer Protocol (TFTP) configuration in the FlexConnect Upgrade feature. A remote attacker can send a specific TFTP request and gain unauthorized access to sensitive information on the system.


Remediation

Install update from vendor's website.