CVE-2023-20003: Cisco Business 140ac Access Point Firmware

High severity, CVSS 8.8. EPSS: 0.3% chance of exploitation in the next 30 days.

A vulnerability in the social login configuration option for the guest users of Cisco Business Wireless Access Points (APs) could allow an unauthenticated, adjacent attacker to bypass social login authentication. This vulnerability is due to a logic error with the social login implementation. An attacker could exploit this vulnerability by attempting to authenticate to an affected device. A successful exploit could allow the attacker to access the Guest Portal without authentication.

Affected products

• Cisco Business 140ac Access Point Firmware: before 10.8.1.0 (fixed in 10.8.1.0)
• Cisco Business 141acm Firmware: before 10.8.1.0 (fixed in 10.8.1.0)
• Cisco Business 142acm Firmware: before 10.8.1.0 (fixed in 10.8.1.0)
• Cisco Business 143acm Firmware: before 10.8.1.0 (fixed in 10.8.1.0)
• Cisco Business 145ac Access Point Firmware: before 10.8.1.0 (fixed in 10.8.1.0)
• Cisco Business 150ax Access Point Firmware: version 10.4.2 only
• Cisco Business 151axm Firmware: version 10.4.2 only
• Cisco Business 240ac Access Point Firmware: before 10.8.1.0 (fixed in 10.8.1.0)

Published 2023-05-18. Last modified 2026-06-17.