Cisco IPv4 SD-Access Fabric Edge Node Vulnerability Could Lead to Denial of Service
CVE-2024-20314

7.5HIGH

Key Information:

Vendor

Cisco
Status
Cisco iOS Xe Software
Vendor
CVE Published:
27 March 2024

Badges

👾 Exploit Exists

What is CVE-2024-20314?

A vulnerability exists within the IPv4 Software-Defined Access (SD-Access) fabric edge node feature of Cisco IOS XE Software that allows an unauthenticated, remote attacker to exploit improper handling of specific IPv4 packets. Exploitation of this vulnerability could lead to significant CPU resource exhaustion on the affected devices, halting all traffic processing and resulting in a denial of service (DoS) condition. Attackers are able to trigger this condition by sending specially crafted IPv4 packets, prompting a serious operational risk for affected installations.

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Affected Version(s)

Cisco IOS XE Software 16.1.1

Cisco IOS XE Software 16.1.2

Cisco IOS XE Software 16.1.3

References

https://sec.cloudapps.cisco.com/security/center/content/C...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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