Cisco IOS and Cisco IOS XE denial of service | CVE-2022-20919
NAME
Cisco IOS and Cisco IOS XE denial of service
- Platforms Affected:
Cisco IOS
Cisco IOS XE - Risk Level:
8.6 - Exploitability:
Unproven - Consequences:
Denial of Service
DESCRIPTION
Cisco IOS and Cisco IOS XE are vulnerable to a denial of service, caused by insufficient input validation during processing of CIP packets. By sending specially-crafted CIP packets to a vulnerable device, 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-iosxe-cip-dos-9rTbKLt9 for patch, upgrade or suggested workaround information. See References.
- Reference Link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-cip-dos-9rTbKLt9 - Reference Link:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-20919
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