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CVE-2023-7342

8.8 · HIGH

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 admin…

Published Apr 2, 2026CWE-269EPSS 0.27%

Overview

CVE-2023-7342 is a high-severity vulnerability. It was published on April 2, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refassets.belden.com/m/4828b7cf8b652105/original/Microsoft-Word-Belden_Security_Bulletin_BSECV-2021-07_1v0-docx.pdfRefwww.vulncheck.com/advisories/belden-hisecos-web-server-privilege-escalation

How CyberStrike helps

Frequently asked questions

What is CVE-2023-7342?

CVE-2023-7342 is a high-severity vulnerability. It was published on April 2, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2023-7342?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2023-7342?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-7342?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-7342 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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