CVE-2025-2767 HIGH

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

Vendor Arista
Product NG Firewall
Weakness CWE-79 · XSS
Published April 23, 2025
Last update April 23, 2025
View on NVD All CVEs

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 23, 2025 CVE published
April 23, 2025 Record updated

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04Related CVE

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