CVE-2026-20071

A vulnerability in the SSID bring-your-own-device BYOD onboarding workflow of Cisco ISE could allow an unauthenticated, adjacent attacker to hijack the onboarding session of another user and access protected 802.1X networks. This vulnerability is due to insufficient authentication checks that are...

CVE-2026-20071 ISE 802.1x Session Hijack Vulnerability

A vulnerability in the SSID bring-your-own-device BYOD onboarding workflow of Cisco ISE could allow an unauthenticated, adjacent attacker to hijack the onboarding session of another user and access protected 802.1X networks. This vulnerability is due to insufficient authentication checks that are...

CVE-2026-20071 ISE 802.1x Session Hijack Vulnerability

A vulnerability in the SSID bring-your-own-device BYOD onboarding workflow of Cisco ISE could allow an unauthenticated, adjacent attacker to hijack the onboarding session of another user and access protected 802.1X networks. This vulnerability is due to insufficient authentication checks that are...

CVE-2026-20071

Cisco ISE contains a session hijack vulnerability in its SSID bring-your-own-device (BYOD) onboarding workflow . The root cause is insufficient authentication checks performed while a user is being onboarded. An unauthenticated, adjacent attacker can exploit this by spoofing the legitimate user a...

EUVD-2026-81158

A vulnerability in the SSID bring-your-own-device BYOD onboarding workflow of Cisco ISE could allow an unauthenticated, adjacent attacker to hijack the onboarding session of another user and access protected 802.1X networks. This vulnerability is due to insufficient authentication checks that are...

CVE-2026-20071: Authentication Bypass by Spoofing

A vulnerability in the SSID bring-your-own-device BYOD onboarding workflow of Cisco ISE could allow an unauthenticated, adjacent attacker to hijack the onboarding session of another user and access protected 802.1X networks. This vulnerability is due to insufficient authentication checks that are...