CVE-2024-20314

A vulnerability in the IPv4 Software-Defined Access (SD-Access) fabric edge node feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause high CPU utilization and stop

Severity
High 8.6
CVSS 3.1
Remote · no auth what this means
Exploited
Not listed
EPSS
0.008
55.2th percentile
Discovered by
Third party
Vendor-published field
Published
Mar 27, 2024
Assigned by cisco

Description

A vulnerability in the IPv4 Software-Defined Access (SD-Access) fabric edge node feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause high CPU utilization and stop all traffic processing, resulting in a denial of service (DoS) condition on an affected device. This vulnerability is due to improper handling of certain IPv4 packets. An attacker could exploit this vulnerability by sending certain IPv4 packets to an affected device. A successful exploit could allow the attacker to cause the device to exhaust CPU resources and stop processing traffic, resulting in a DoS condition.

Weakness: CWE-783

Affected products

Vendor Product Category Matched by
Cisco Cisco IOS XE Software Routing & Switching cna-assigner
Vendor-reported products (2)
  • Cisco · Cisco IOS XE Software
  • cisco · ios_xe

Vendor advisory

cisco-sa-ios-xe-sda-edge-dos-qZWuWXWG

Cisco IOS XE Software SD-Access Fabric Edge Node Denial of Service Vulnerability

Cisco’s rating: High (advisory CVSS 8.6) · Published Mar 27, 2024

Bug ID: CSCwh41093

The vendor’s rating applies to the whole advisory and can differ from this CVE’s own CVSS severity. Where this comes from

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