CVE-2023-53908 HIGH

CVE-2023-53908: HiSecOS 04.0.01 Privilege Escalation via User Role Modification

Vendor Belden
Product HiSecOS
Weakness CWE-269
Published December 17, 2025
Last update April 7, 2026

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

HiSecOS 04.0.01 contains a privilege escalation vulnerability that allows authenticated users to modify their access role through XML-based NETCONF configuration. Attackers can send crafted XML payloads to the /mops_data endpoint with a specific role value to elevate their user privileges to administrative level.

Key dates

02Disclosure timeline

December 17, 2025 CVE published
April 7, 2026 Record updated