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Vulnerability record · CVE-2023-53908 · published 17 December 2025

CVE-2023-53908: Improper privilege management vulnerability

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.

8.7 CVSS 4.0 High EPSS 0.34% · top 74.8% CWE-269 · Improper privilege management Deferred
8.7CVSS 4.0 base score
0.34%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

Description

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://www.belden.com/products/industrial-networking-cybersecurity/software-solutions/device-software/hisecos-firewall-
https://www.exploit-db.com/exploits/51537
https://www.vulncheck.com/advisories/hisecos-privilege-escalation-via-user-role-modification

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Source: NIST National Vulnerability Database (record CVE-2023-53908), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.