CVE-2024-20314
high-risk
Published 2024-03-27
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.
Do I need to act?
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0.82% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.6/10
High
NETWORK
/ LOW complexity
Affected Products (20)
Affected Vendors
References (2)
65
/ 100
high-risk
Severity
29/34 · Critical
Exploitability
3/34 · Minimal
Exposure
33/34 · Critical