CVE-2023-7342

HiSecOS web server versions 03.4.00 prior to 04.1.00 contains a privilege escalation vulnerability that allows authenticated users with operator or auditor roles to escalate privileges to the administrator role by sending specially crafted packets to the web server. Attackers can exploit this flaw to gain full administrative access to the affected device.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://assets.belden.com/m/4828b7cf8b652105/original/Microsoft-Word-Belden_Security_Bulletin_BSECV-2021-07_1v0-docx.pdf
https://www.vulncheck.com/advisories/belden-hisecos-web-server-privilege-escalation

Configurations

No configuration.

History

02 Apr 2026, 23:17

Type	Values Removed	Values Added
Summary	(en) HiSecOS web server contains a privilege escalation vulnerability that allows authenticated users with operator or auditor roles to escalate privileges to the administrator role by sending specially crafted packets to the web server. Attackers can exploit this flaw to gain full administrative access to the affected device.	(en) HiSecOS web server versions 03.4.00 prior to 04.1.00 contains a privilege escalation vulnerability that allows authenticated users with operator or auditor roles to escalate privileges to the administrator role by sending specially crafted packets to the web server. Attackers can exploit this flaw to gain full administrative access to the affected device.

02 Apr 2026, 19:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-04-02 19:16

Updated : 2026-04-03 16:10

NVD link : CVE-2023-7342

Mitre link : CVE-2023-7342

CVE.ORG link : CVE-2023-7342

JSON object : View

Products Affected

No product.

CWE

CWE-269

Improper Privilege Management

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