SB2025040313 - Denial of service in Cisco Meraki MX and Z Series



SB2025040313 - Denial of service in Cisco Meraki MX and Z Series

Published: April 3, 2025

Security Bulletin ID SB2025040313
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Use of Uninitialized Variable (CVE-ID: CVE-2025-20212)

CWE-ID: CWE-457 - Use of Uninitialized Variable

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to uninitialized variable in the Cisco AnyConnect VPN server when an SSL VPN session is established. A remote user can cause a denial of service condition on the target system.


Remediation

Install update from vendor's website.