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Vulnerabilities

Vulnerability · CVE-2023-53908

HiSecOS 04.0.01 contains a privilege escalation vulnerability that allows authenticated users to modify their access role through XML-based NETCONF configuration.

Published Dec 17, 2025 · catalog updated Oct 1, 2026 · Belden HiSecOS

Last checked Oct 29, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2023-53908. EPSS is 0.34%. Act only if a listed version of Belden HiSecOS is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.7
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.34%
Remediation
Advisory link
Affected products
vendor Belden HiSecOS 04.0.01

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Belden HiSecOS 04.0.0104.0.01

How to fix CVE-2023-53908

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2023-53908. EPSS is 0.34%. Act only if a listed version of Belden HiSecOS is installed.

Which versions are affected?

Compare what you have installed with Belden HiSecOS 04.0.01 04.0.01. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.34%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 17, 2025 · EUVD

    Detected

    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.

  2. Oct 1, 2026 · EUVD

    Updated

    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.

Sources

  • FIRST EPSSExploitation probabilityCVE-2023-53908

    30-day exploitation probability 0.34%

    first.org
  • EUVDVulnerability recordEUVD-2023-60222

    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 p

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 29, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 29, 2026
  • EUVDOct 28, 2026