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CVE-2024-12378— On affected platforms running Arista EOS with secure Vxlan configured, restarting the Tunnelsec agent will result in packets being sent over the secure Vxlan tunnels in the clear.

Quick assessment

Affected
Arista Networks CloudVision Portal
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Arista EOS是美国Arista公司的一个完全可编程的、高度模块化的、基于Linux的网络操作系统。 Arista EOS存在安全漏洞，该漏洞源于重启Tunnelsec代理可能导致数据包以明文形式通过安全Vxlan隧道发送。

CVSS 9.1 · Critical EPSS 0.50% · P41

Possible ATT&CK Techniques 1 AI

T1557 · Adversary-in-the-Middle
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I. Basic Information for CVE-2024-12378

Vulnerability Information
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Vulnerability Title
On affected platforms running Arista EOS with secure Vxlan configured, restarting the Tunnelsec agent will result in packets being sent over the secure Vxlan tunnels in the clear.
Source: CVE Program / CVE List V5
Vulnerability Description
On affected platforms running Arista EOS with secure Vxlan configured, restarting the Tunnelsec agent will result in packets being sent over the secure Vxlan tunnels in the clear.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
敏感数据的明文传输
Source: CVE Program / CVE List V5
Vulnerability Title
Arista EOS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Arista EOS是美国Arista公司的一个完全可编程的、高度模块化的、基于Linux的网络操作系统。 Arista EOS存在安全漏洞，该漏洞源于重启Tunnelsec代理可能导致数据包以明文形式通过安全Vxlan隧道发送。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Arista Networks CloudVision Portal 4.32.0 ~ 4.32.2F -

II. Public POCs for CVE-2024-12378

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III. Intelligence Information for CVE-2024-12378

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Same Patch Batch · Arista Networks · 2025-05-08 · 5 CVEs total

CVE-2025-0505 10.0 CRITICAL On Arista CloudVision systems (virtual or physical on-premise deployments), Zero Touch Pro
CVE-2024-11186 10.0 CRITICAL On affected versions of the CloudVision Portal, improper access controls could enable a ma
CVE-2024-8100 8.7 HIGH On affected versions of the Arista CloudVision Portal (CVP on-prem), the time-bound device
CVE-2024-9448 7.5 HIGH On affected platforms running Arista EOS with Traffic Policies configured the vulnerabilit

IV. Related Vulnerabilities

Same product: CloudVision Portal
Same vendor: Arista Networks
Same weakness: CWE-319

V. Comments for CVE-2024-12378

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