The vulnerability of the Cisco AnyConnect VPN server in the microprogramming software for Cisco Meraki MX and Cisco Meraki Z teleworkers allows a hacker to cause a service outage.

The vulnerability of the Cisco AnyConnect VPN server in the microprogramming software for Cisco Meraki MX and Cisco Meraki Z teleworkers relates to writing beyond the buffer boundaries in memory. Exploiting this vulnerability can allow a malicious actor to cause service interruptions by sending...

CVE-2025-20271: Use of Uninitialized Variable

A vulnerability in the Cisco AnyConnect VPN server of Cisco Meraki MX and Cisco Meraki Z Series Teleworker Gateway devices could allow an unauthenticated, remote attacker to cause a denial of service DoS condition in the Cisco AnyConnect service on an affected device. This vulnerability is due...

PT-2025-26180 · Cisco · Cisco Meraki Z Series +2

Name of the Vulnerable Software and Affected Versions: Cisco Meraki MX Firmware affected versions not specified Cisco Meraki Z Series Teleworker Gateway devices affected versions not specified Description: A vulnerability in the Cisco AnyConnect VPN server could allow an unauthenticated, remote...

CVE-2025-20212: Use of Uninitialized Variable

A vulnerability in the Cisco AnyConnect VPN server of Cisco Meraki MX and Cisco Meraki Z Series devices could allow an authenticated, remote attacker to cause a denial of service DoS condition in the Cisco AnyConnect service on an affected device. To exploit this vulnerability, the attacker must...

Cisco Meraki Z和Cisco Meraki MX 安全漏洞

Cisco Meraki Z and Cisco Meraki MX are both products of Cisco, Inc.Cisco Meraki Z is an enterprise-class firewall, VPN gateway, and router.Cisco Meraki MX is a multifunction security and SD-WAN enterprise appliance. A security vulnerability exists in Cisco Meraki Z and Cisco Meraki MX that stems...

CVE-2024-20509

CVE-2024-20509 affects Cisco Meraki MX and Z Series Teleworker Gateway devices running Cisco AnyConnect VPN server. The issue arises from weak entropy in VPN authentication handlers and a race condition in the same process, enabling an unauthenticated, remote attacker to hijack an AnyConnect VPN ...

CVE-2024-20501: Out-of-bounds Write

Multiple vulnerabilities in the Cisco AnyConnect VPN server of Cisco Meraki MX and Cisco Meraki Z Series Teleworker Gateway devices could allow an unauthenticated, remote attacker to cause a DoS condition in the AnyConnect service on an affected device. These vulnerabilities are due to insufficie...

CVE-2024-20513: Authorization Bypass Through User-Controlled Key

A vulnerability in the Cisco AnyConnect VPN server of Cisco Meraki MX and Cisco Meraki Z Series Teleworker Gateway devices could allow an unauthenticated, remote attacker to cause a DoS condition for targeted users of the AnyConnect service on an affected device. This vulnerability is due to...

Cisco Meraki Z和Cisco Meraki MX 缓冲区错误漏洞

The Cisco Meraki Z and Cisco Meraki MX are both products of Cisco, Inc.The Cisco Meraki Z is an enterprise-class firewall, VPN gateway, and router.The Cisco Meraki MX is a multifunction security and SD-WAN enterprise appliance. A buffer error vulnerability exists in the Cisco Meraki Z and Cisco...

CVE-2024-20509: Concurrent Execution using Shared Resource with Improper Synchronization

A vulnerability in the Cisco AnyConnect VPN server of Cisco Meraki MX and Cisco Meraki Z Series Teleworker Gateway devices could allow an unauthenticated, remote attacker to hijack an AnyConnect VPN session or cause a denial of service DoS condition for individual users of the AnyConnect VPN...

CVE-2024-20498: Double Free

Multiple vulnerabilities in the Cisco AnyConnect VPN server of Cisco Meraki MX and Cisco Meraki Z Series Teleworker Gateway devices could allow an unauthenticated, remote attacker to cause a DoS condition in the AnyConnect service on an affected device. These vulnerabilities are due to insufficie...

CVE-2024-20502: Uncontrolled Resource Consumption

A vulnerability in the Cisco AnyConnect VPN server of Cisco Meraki MX and Cisco Meraki Z Series Teleworker Gateway devices could allow an unauthenticated, remote attacker to cause a DoS condition on an affected device. This vulnerability is due to insufficient resource management while establishi...

CVE-2024-20499: Out-of-bounds Write

Multiple vulnerabilities in the Cisco AnyConnect VPN server of Cisco Meraki MX and Cisco Meraki Z Series Teleworker Gateway devices could allow an unauthenticated, remote attacker to cause a DoS condition in the AnyConnect service on an affected device. These vulnerabilities are due to insufficie...

CVE-2024-20500: Uncontrolled Resource Consumption

A vulnerability in the Cisco AnyConnect VPN server of Cisco Meraki MX and Cisco Meraki Z Series Teleworker Gateway devices could allow an unauthenticated, remote attacker to cause a DoS condition in the AnyConnect service on an affected device. This vulnerability is due to insufficient resource...

PT-2024-18669 · Cisco · Cisco Meraki Z Series Teleworker Gateway +2

Name of the Vulnerable Software and Affected Versions: Cisco Meraki MX and Cisco Meraki Z Series Teleworker Gateway devices affected versions not specified Description: The issue is due to insufficient validation of client-supplied parameters while establishing an SSL VPN session. An attacker cou...

CVE-2022-20933

A vulnerability in the Cisco AnyConnect VPN server of Cisco Meraki MX and Cisco Meraki Z3 Teleworker Gateway devices could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to insufficient validation of...

CVE-2022-20933: Failure to Handle Missing Parameter

A vulnerability in the Cisco AnyConnect VPN server of Cisco Meraki MX and Cisco Meraki Z3 Teleworker Gateway devices could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to insufficient validation of...