CVE-2025-2767
CRITICAL EPSS 39.1%
Published Apr 23, 20251y ago · Modified Jun 17, 20261w ago
9.6 CVSS 3.1
Published Apr 23, 2025 1y ago
Last Modified Jun 17, 2026 1w ago
Description
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Changed
Confidentiality High
Integrity High
Availability High
Threat Intelligence
EPSS Exploit Probability
39.1% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-79 Cross-site Scripting Injection
Affected Products 1
| Vendor | Product | Version | Range |
|---|---|---|---|
| arista | ng_firewall | 17.1.1 | any |
References 1
- zerodayinitiative.com https://www.zerodayinitiative.com/advisories/ZDI-25-181/
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.