Cisco IOS XE denial of service | CVE-2022-20848
NAME
Cisco IOS XE denial of service
- Platforms Affected:
Cisco IOS XE Software for Embedded Wireless Controllers on Catalyst 9100 - Risk Level:
8.6 - Exploitability:
Unproven - Consequences:
Denial of Service
DESCRIPTION
Cisco IOS XE is vulnerable to a denial of service, caused by improper processing of UDP datagrams in the UDP processing functionality. By sending specially crafted UDP datagrams to an affected device, an 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-wlc-udp-dos-XDyEwhNz for patch, upgrade or suggested workaround information. See References.
- Reference Link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wlc-udp-dos-XDyEwhNz - Reference Link:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-20848
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