CVE-2025-2767
Last modified
CVE-2025-2767 is a critical-severity vulnerability rated 9.6/10 on the CVSS scale. 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. EPSS estimates a 0.50% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Arista | Ng Firewall | 17.1.1 |
References
- https://www.zerodayinitiative.com/advisories/ZDI-25-181/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2025-2767?
How severe is CVE-2025-2767?
How do I fix CVE-2025-2767?
Are you affected by CVE-2025-2767?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST