🛡️ CVE-2024-20267
🟠 CVSS 8.6 — High ✅ No Known Exploit CWE-120 NVD
8.6
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

A vulnerability with the handling of MPLS traffic for Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause the netstack process to unexpectedly restart, which could cause the device to stop processing network traffic or to reload. This vulnerability is due to lack of proper error checking when processing an ingress MPLS frame. An attacker could exploit this vulnerability by sending a crafted IPv6 packet that is encapsulated within an MPLS frame to an MPLS-enabled interface of the targeted device. A successful exploit could allow the attacker to cause a denial of service (DoS) condition. Note: The IPv6 packet can be generated multiple hops away from the targeted device and then encapsulated within MPLS. The DoS condition may occur when the NX-OS device processes the packet.

Details

Severity HIGH
CVSS Score 8.6
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CWE CWE-120
Public Exploit ✅ No
Source NVD
Published 2024-02-29
Updated 2026-06-02
Modified 2024-11-21
Fix URL N/A

Affected Packages

Software From version Fixed in
nx-os — —

Similar Threats

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