CVE-2026-21908

A Use After Free vulnerability was identified in the 802.1X authentication daemon dot1xd of Juniper Networks Junos OS and Junos OS Evolved that could allow an authenticated, network-adjacent attacker flapping a port to crash the dot1xd process, leading to a Denial of Service DoS, or potentially...

CVE-2026-21908

A Use After Free vulnerability was identified in the 802.1X authentication daemon dot1xd of Juniper Networks Junos OS and Junos OS Evolved that could allow an authenticated, network-adjacent attacker flapping a port to crash the dot1xd process, leading to a Denial of Service DoS, or potentially...

CVE-2026-21908

Summary (CVE-2026-21908): A Use-After-Free in Juniper Networks Junos OS and Junos OS Evolved’s 802.1X daemon (dot1xd) can be triggered by a port bounce during a change in authorization (CoA). Successful exploitation could cause a crash (DoS) or potentially execute code with root privileges. Affec...

EUVD-2026-2690

A Use After Free vulnerability was identified in the 802.1X authentication daemon dot1xd of Juniper Networks Junos OS and Junos OS Evolved that could allow an authenticated, network-adjacent attacker flapping a port to crash the dot1xd process, leading to a Denial of Service DoS, or potentially...

EUVD-2019-4260

Malware in sbrugna...

EUVD-2014-0686

Malware in sbrugna...

The vulnerability of the RADIUS Change of Authorization (CoA) function in the Cisco TrustSec network security management system allows a perpetrator to trigger a service failure.

The vulnerability of the RADIUS Change of Authorization CoA function in the Cisco TrustSec network security system exists due to insufficient validation of input data. Exploiting this vulnerability can allow an attacker to cause a service failure...

CVE-2019-12669

A vulnerability in the RADIUS Change of Authorization CoA code of Cisco TrustSec, a feature within Cisco IOS XE Software, could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. The vulnerability is due to improper handling of a malformed...

CVE-2019-12669

A vulnerability in the RADIUS Change of Authorization CoA code of Cisco TrustSec, a feature within Cisco IOS XE Software, could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. The vulnerability is due to improper handling of a malformed...

CVE-2019-12669 Cisco IOS and IOS XE Software Change of Authorization Denial of Service Vulnerability

A vulnerability in the RADIUS Change of Authorization CoA code of Cisco TrustSec, a feature within Cisco IOS XE Software, could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. The vulnerability is due to improper handling of a malformed...

CVE-2016-9195

A vulnerability in RADIUS Change of Authorization CoA request processing in the Cisco Wireless LAN Controller WLC could allow an unauthenticated, remote attacker to cause a denial of service DoS condition by disconnecting a single connection. This vulnerability affects Cisco Wireless LAN Controll...

Design/Logic Flaw

A vulnerability in RADIUS Change of Authorization CoA request processing in the Cisco Wireless LAN Controller WLC could allow an unauthenticated, remote attacker to cause a denial of service DoS condition by disconnecting a single connection. This vulnerability affects Cisco Wireless LAN Controll...

Cisco Wireless LAN Controller RADIUS Change of Authorization Denial of Service Vulnerability

A vulnerability in RADIUS Change of Authorization CoA request processing in the Cisco Wireless LAN Controller WLC could allow an unauthenticated, remote attacker to cause a denial of service DoS condition by disconnecting a single connection. The vulnerability is due to lack of proper input...

Cisco Adaptive Security Appliance RADIUS Change of Authorization Message Replay Vulnerability

A vulnerability in RADIUS Change of Authorization CoA messages of the Identity Firewall IDFW feature of the Cisco Adaptive Security Appliance ASA could allow an unauthenticated, remote attacker to modify the contents of the IDFW user cache. The vulnerability is due to insufficient validation of...