Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family CAPWAP Mobility denial of service | CVE-2022-20856
NAME
Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family CAPWAP Mobility denial of service
- Platforms Affected:
Cisco Catalyst 9800 Series Wireless Controllers
Cisco Catalyst 9800 Embedded Wireless Controller for Catalyst 9300 Series Switches
Cisco Catalyst 9800 Embedded Wireless Controller for Catalyst 9400 Series Switches
Cisco Catalyst 9800 Embedded Wireless Controller for Catalyst 9500 Series Switches
Cisco Catalyst 9800-CL Wireless Controllers for Cloud
Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family - Risk Level:
8.6 - Exploitability:
Unproven - Consequences:
Denial of Service
DESCRIPTION
Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family CAPWAP Mobility is vulnerable to a denial of service, caused by a logic error and improper management of resources related to the handling of CAPWAP Mobility messages. By sending specially-crafted CAPWAP Mobility packet, a remote attacker could exploit this vulnerability to cause the device to reload.
CVSS 3.0 Information
- Privileges Required: None
- User Interaction: None
- Scope: Changed
- Access Vector: Network
- Access Complexity: Low
- Confidentiality Impact: None
- Integrity Impact: None
- Availability Impact: High
- Remediation Level: Official Fix
MITIGATION
Refer to Cisco Security Advisory cisco-sa-c9800-mob-dos-342YAc6J for patch, upgrade or suggested workaround information. See References.
- Reference Link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-c9800-mob-dos-342YAc6J - Reference Link:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-20856
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