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THREATINT
PUBLISHED

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.

Reserved 2025-03-24 | Published 2025-04-23 | Updated 2025-04-23 | Assigner zdi


HIGH: 8.8CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Problem types

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

Default status
unknown

17.1.1
affected

References

www.zerodayinitiative.com/advisories/ZDI-25-181/ (ZDI-25-181)

cve.org (CVE-2025-2767)

nvd.nist.gov (CVE-2025-2767)

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