Information disclosure in Cisco Systems, Inc products - CVE-2021-1400

Vulnerability identifier: #VU52947

CSH Severity: Medium

CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-1400

CWE-ID: CWE-200

Exploitation vector: Remote access

Exploit availability: No public exploit available

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

The vulnerability exists due to insufficient input validation in the web-based management interface. A remote authenticated attacker can send a specially crafted HTTP request and gain unauthorized access to sensitive information on the system.

Cisco Small Business 100 Series Wireless Access Points
Cisco Small Business 300 Series Wireless Access Points
Cisco Small Business 500 Series Wireless Access Points
Cisco WAP125 Wireless-AC Dual Band Desktop Access Point with PoE
WAP131 Wireless-N Dual Radio Access Point with PoE
Cisco WAP150 Wireless-AC/N Dual Radio Access Point with PoE
WAP351 Wireless-N Dual Radio Access Point with 5-Port Switch
Cisco WAP361 Wireless-AC/N Dual Radio Wall Plate Access Point with PoE
Cisco WAP581 Wireless-AC Dual Radio Wave 2 Access Point

Install updates from vendor's website.

Cisco WAP125 Wireless-AC Dual Band Desktop Access Point with PoE - update to 1.0.4.3
Cisco WAP150 Wireless-AC/N Dual Radio Access Point with PoE - update to 1.1.3.2
Cisco WAP361 Wireless-AC/N Dual Radio Wall Plate Access Point with PoE - update to 1.1.3.2
Cisco WAP581 Wireless-AC Dual Radio Wave 2 Access Point - update to 1.0.4.4

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-wap-multi-ZAfKGXhF

• Multiple vulnerabilities in Cisco Small Business 100, 300 and 500 Series Wireless Access Points