What is CVE-2025-2767?

CVE-2025-2767 is a critical-severity vulnerability in Arista Ng Firewall, classified under Cross-site Scripting. CVSS score: 9.6/10. Published 2025-04-23.

How severe is CVE-2025-2767?

Critical severity. CVSS v3 base score is 9.6 out of 10.

XSS in Arista Ng Firewall

CVE-2025-2767

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 requi…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (42.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Arista Ng Firewall — versions 17.1.1
Arista Ng_firewall — versions 17.1.1

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

zdi-disclosures@trendmicro.com (x_research-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2025-2767?: CVE-2025-2767 is a critical-severity vulnerability in Arista Ng Firewall, classified under Cross-site Scripting. CVSS score: 9.6/10. Published 2025-04-23.
How severe is CVE-2025-2767?: Critical severity. CVSS v3 base score is 9.6 out of 10.