CVE-2025-2767

Arista NG Firewall User-Agent Cross-Site Scripting Remote Code Execution Vulnerability

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.

Category

8.8
CVSS
Severity: High
CVSS 3.0 •
EPSS 0.22%
Affected: Arista NG Firewall
Published at:
Updated at:

References

Link Tags
https://www.zerodayinitiative.com/advisories/ZDI-25-181/

Frequently Asked Questions

What is the severity of CVE-2025-2767?
CVE-2025-2767 has been scored as a high severity vulnerability.
How to fix CVE-2025-2767?
To fix CVE-2025-2767, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-2767 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-2767 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-2767?
CVE-2025-2767 affects Arista NG Firewall.
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