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High 8.8Published Dec 17, 2025

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

Updated under an hour ago ()

Does this affect you?

It affects Belden HiSecOS. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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
8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-269
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
VulnCheck
NVD analysis
Deferred
Record last updated
Oct 1, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Belden HiSecOS
belden:hisecos (from the name)
04.0.01
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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