CVE-2023-53908: belden hisecos Improper Privilege Management
Vulnerability summary
CVE-2023-53908 is a high (CVSS 8.8) Improper Privilege Management vulnerability in belden hisecos. EPSS estimates a 0.34% chance of exploitation in the next 30 days, higher than 26.4% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 17-12-2025PublishedVulnerability first disclosed.
- 01-10-2026Last modifiedVulnerability information updated.
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 metrics
4 scores · 2 sources · 2 versions- NVDNIST8.7HighCVSS: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:X/V:X/RE:X/U:X
- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.34%
Chance of exploitation in the next 30 days
Percentile
26%
Versus all other CVEs
30-day change
0.00 pp
From 0.34% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundHiSecOS 04.0.01 - Privilege Escalation
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Belden1 product
- hisecos04.0.01
1 vendor · 1 product
References
3 links- www.belden.com/products/…Product