Belden Hirschmann Industrial HiVision up to 08.3.01/08.3.1 Packet privileges management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Belden Hirschmann Industrial HiVision up to 08.3.01/08.3.1. It has been declared as critical. The affected element is an unknown function of the component Packet Handler. Executing a manipulation can lead to privileges management. This vulnerability is handled as CVE-2023-7343. It is possible to launch the attack on the local host. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Belden Hirschmann Industrial HiVision up to 08.3.01/08.3.1. It has been declared as critical. This vulnerability affects some unknown processing of the component Packet Handler. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is shared for download at assets.belden.com. This vulnerability was named CVE-2023-7343 since 04/01/2026. The exploitation appears to be easy. The attack needs to be approached locally. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

Upgrading to version 08.3.02 eliminates this vulnerability.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.2

VulDB Base Score: 4.8
VulDB Temp Score: 4.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector (VulnCheck): 🔒

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Hirschmann Industrial HiVision 08.3.02

Timelineinfo

04/01/2026 CVE reserved
04/02/2026 +1 days Advisory disclosed
04/02/2026 +0 days VulDB entry created
04/02/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: assets.belden.com
Status: Confirmed

CVE: CVE-2023-7343 (🔒)
GCVE (CVE): GCVE-0-2023-7343
GCVE (VulDB): GCVE-100-354976

Entryinfo

Created: 04/02/2026 23:49
Changes: 04/02/2026 23:49 (76)
Complete: 🔍
Cache ID: 216:0FC:103

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