Input validation error in Cisco Systems, Inc products - CVE-2022-20933

Vulnerability identifier: #VU68524

CSH Severity: High

CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber

CVE-ID: CVE-2022-20933

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
Meraki MX
Meraki Z3
Cisco Meraki Z3C
Cisco Meraki MX67CW
Cisco Meraki MX67W
Cisco Meraki MX68CW
Cisco Meraki MX68W
Cisco Meraki MX64
Cisco Meraki MX64W
Cisco Meraki MX65
Cisco Meraki MX65W
Cisco Meraki MX67
Cisco Meraki MX68
Cisco Meraki MX75
Cisco Meraki MX84
Cisco Meraki MX85
Cisco Meraki MX95
Cisco Meraki MX100
Cisco Meraki MX105
Cisco Meraki MX250
Cisco Meraki MX400
Cisco Meraki MX450
Cisco Meraki MX600
Cisco Meraki vMX

Software vendor:
Cisco Systems, Inc

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

The vulnerability exists due to insufficient validation of client-supplied parameters while establishing an SSL VPN session. A remote attacker can send a specially crafted request to the application and perform a denial of service (DoS) attack.

Install updates from vendor's website.

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-meraki-mx-vpn-dos-vnESbgBf