Cisco IOS XE Software denial of service | CVE-2022-20678
NAME
Cisco IOS XE Software denial of service
- Platforms Affected:
Cisco IOS XE Software
Cisco Cloud Services Router 1000V Series
Cisco 4000 Series Integrated Services Routers
Cisco Catalyst 8000V Edge Software
Cisco 1000 Series Integrated Services Routers
Cisco ASR 1001-X Routers
Cisco ASR 1002-X Routers
Cisco Catalyst 8300 Series Routers
Cisco Catalyst 8500 Series Routers - Risk Level:
8.6 - Exploitability:
Unproven - Consequences:
Denial of Service
DESCRIPTION
Cisco IOS XE Software is vulnerable to a denial of service, caused by improper handling of certain TCP segments. By sending a stream of specially-crafted TCP traffic, 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-appnav-xe-dos-j5MXTR4 for patch, upgrade or suggested workaround information. See References.
- Reference Link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-appnav-xe-dos-j5MXTR4 - Reference Link:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-20678
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