What is the severity of CVE-2025-2767?

CVE-2025-2767 is categorized as a critical severity vulnerability due to its potential for remote code execution.

How do I fix CVE-2025-2767?

To fix CVE-2025-2767, update the Arista NG Firewall to the latest version provided by Arista that addresses this vulnerability.

Who is affected by CVE-2025-2767?

CVE-2025-2767 affects installations of the Arista NG Firewall system.

What is the nature of the exploitation for CVE-2025-2767?

CVE-2025-2767 allows remote attackers to execute arbitrary code with minimal user interaction required.

What type of vulnerability is CVE-2025-2767?

CVE-2025-2767 is classified as a Cross-Site Scripting (XSS) vulnerability that can lead to remote code execution.

Vulnerability/
CVE-2025-2767

high

8.8

CWE

23/4/2025

CVE-2025-2767: (0Day) Arista NG Firewall User-Agent Cross-Site Scripting Remote Code Execution Vulnerability

First published: Wed Apr 23 2025(Updated: )

Arista NG Firewall User-Agent Cross-Site Scripting Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Arista NG Firewall. Minimal user interaction is required to exploit this vulnerability. The specific flaw exists within the processing of the User-Agent HTTP header. The issue results from the lack of proper validation of user-supplied data, which can lead to the injection of an arbitrary script. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-24407.

Credit: zdi-disclosures@trendmicro.com

Affected Software	Affected Version	How to fix
Arista Edge Threat Management - Arista NG Firewall

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Reference Links

https://www.zerodayinitiative.com/advisories/ZDI-25-181/

Frequently Asked Questions

What is the severity of CVE-2025-2767?
CVE-2025-2767 is categorized as a critical severity vulnerability due to its potential for remote code execution.
How do I fix CVE-2025-2767?
To fix CVE-2025-2767, update the Arista NG Firewall to the latest version provided by Arista that addresses this vulnerability.
Who is affected by CVE-2025-2767?
CVE-2025-2767 affects installations of the Arista NG Firewall system.
What is the nature of the exploitation for CVE-2025-2767?
CVE-2025-2767 allows remote attackers to execute arbitrary code with minimal user interaction required.
What type of vulnerability is CVE-2025-2767?
CVE-2025-2767 is classified as a Cross-Site Scripting (XSS) vulnerability that can lead to remote code execution.

collector/mitre-cve
source/MITRE
collector/zdi-advisory
source/ZDI
alias/ZDI-25-181
alias/ZDI-CAN-24407
alias/CVE-2025-2767
agent/software-canonical-lookup
agent/weakness
agent/references
agent/title
agent/type
agent/description
agent/first-publish-date
agent/softwarecombine
collector/nvd-api
source/NVD
agent/last-modified-date
agent/author
agent/severity
agent/source
agent/tags
agent/event
vendor/arista
canonical/arista edge threat management - arista ng firewall

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