---
id: CVE-2023-53908
title: HiSecOS 04.0.01 Privilege Escalation via User Role Modification
summary: >-
  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 …
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-269
vendor: Belden
product: HiSecOS
affected:
  - HiSecOS 04.0.01
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2025-12-18T14:51:21.277692Z'
published: '2025-12-17'
updated: '2026-10-01'
sourceUpdated: '2026-10-01T15:19:42.647Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2023-53908'
references:
  - url: 'https://www.exploit-db.com/exploits/51537'
    label: ExploitDB-51537
  - url: >-
      https://www.belden.com/products/industrial-networking-cybersecurity/software-solutions/device-software/hisecos-firewall-software
    label: Official Product Webpage
  - url: >-
      https://www.vulncheck.com/advisories/hisecos-privilege-escalation-via-user-role-modification
    label: >-
      VulnCheck Advisory: HiSecOS 04.0.01 Privilege Escalation via User Role
      Modification
tags:
  - cve.org
epss: 0.00342
epssPercentile: 0.25343
ingestedAt: '2026-10-01T15:48:17.871Z'
---

## Overview

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.

## Affected

- `HiSecOS 04.0.01`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.