Cisco IOS XR Software for ASR 9000 Series Routers denial of service | CVE-2022-20714
NAME
Cisco IOS XR Software for ASR 9000 Series Routers denial of service
- Platforms Affected:
Cisco ASR 9000 Series Aggregation Services Routers - Risk Level:
8.6 - Exploitability:
Unproven - Consequences:
Denial of Service
DESCRIPTION
Cisco IOS XR Software for ASR 9000 Series Routers is vulnerable to a denial of service, caused by the incorrect handling of malformed packets in the data plane microcode of Lightspeed-Plus line cards. By sending a specially-crafted IPv4 or IPv6 packet, a remote attacker could exploit this vulnerability to cause the Lightspeed-Plus line card to reset.
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-lsplus-Z6AQEOjk for patch, upgrade or suggested workaround information. See References.
- Reference Link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-lsplus-Z6AQEOjk - Reference Link:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-20714
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