CVE-2023-53908

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.34% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 27.4% of scored records. A rank, not a probability.

NVD base score

8.7 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

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:X/V:X/RE:X/U:X

NVD analysis status

Deferred. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2025-12-17 22:44Z10 MO AGO

Last updated

2026-10-01 15:19Z28 DAYS AGO

Reserved

2025-12-16

Assigning CNA

VulnCheck

Record state

PUBLISHED

Severity

High (CVSS 8.7)

CNA CVSS vector

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

Weaknesses

• CWE-269Improper Privilege ManagementClass

Data version

5.2

Document digest

d49105b5c707645143bf6c3437931e6012290705bf51856dd68b9f09cf121e09

• www.exploit-db.comExploitDB-51537https://www.exploit-db.com/exploits/51537exploit
• www.belden.comOfficial Product Webpagehttps://www.belden.com/products/industrial-networking-cybersecurity/software-solutions/device-software/hisecos-firewall-softwareproduct
• www.vulncheck.comVulnCheck Advisory: HiSecOS 04.0.01 Privilege Escalation via User Role Modificationhttps://www.vulncheck.com/advisories/hisecos-privilege-escalation-via-user-role-modificationthird-party-advisory