ZDI-25-181: (0Day) Arista NG Firewall User-Agent Cross-Site Scripting Remote Code Execution Vulnerability
First published: Tue Mar 25 2025(Updated: )
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.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Arista Edge Threat Management - Arista NG Firewall | ||
| Arista Edge Threat Management - Arista NG Firewall |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-25-181?
The ZDI-25-181 vulnerability has a CVSS rating of 8.8, indicating high severity.
How do I fix ZDI-25-181?
To fix ZDI-25-181, apply the latest security patch provided by Arista for the NG Firewall.
What type of attack does ZDI-25-181 allow?
ZDI-25-181 allows remote attackers to execute arbitrary code on affected installations.
Is user interaction required to exploit ZDI-25-181?
Minimal user interaction is required to exploit the ZDI-25-181 vulnerability.
Which software is affected by ZDI-25-181?
The Arista NG Firewall is the affected software related to the ZDI-25-181 vulnerability.
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