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CVE Record

CVE-2023-7343: Belden Industrial HiVision Arbitrary Code Execution via Malicious Project File

HiSecOS web server versions 05.0.00 to 08.3.01 prior to 08.3.02 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.

HighCVSS 8.5Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This CVE is a high-severity Belden/Hirschmann issue, but the provided sources are internally inconsistent. The title references Industrial HiVision code execution through a malicious project file, while the description describes authenticated privilege escalation in the HiSecOS web server. Organizations using these Belden products should verify exposure against the vendor bulletin before prioritizing remediation.

Executive priority

Treat this as a high-priority industrial management-system issue where Belden assets are present. The business urgency is strongest for plants or networks where lower-privileged users can access management systems. Prioritize confirmation and vendor-guided patching, while avoiding assumptions beyond the inconsistent public metadata.

Technical view

The bundle reports CVE-2023-7343 as CWE-269 with CVSS 4.0 score 8.5. The description says HiSecOS web server versions 05.0.00 through 08.3.01 before 08.3.02 allow operator or auditor users to escalate to administrator using crafted packets. Other source metadata frames it as Industrial HiVision arbitrary code execution via malicious project file.

Likely exposure

Exposure is most likely in environments running Belden Hirschmann Industrial HiVision or HiSecOS management/web server components matching the vendor bulletin. The bundle names versions 05.0.00 to 08.3.01 before 08.3.02, but product/version metadata is ambiguous and should be confirmed from Belden BSECV-2023-06.

Exploitation context

The source bundle does not show CISA KEV listing or cited evidence of active exploitation. The CVSS vector indicates local attack conditions and user interaction, while the narrative describes authenticated web-server privilege escalation. Because the public metadata conflicts, do not assume internet-scale remote exploitation from the provided evidence alone.

Researcher notes

Key uncertainty: the bundle’s title and VulnCheck label describe malicious project-file code execution, while the CVE description describes HiSecOS authenticated privilege escalation. The CVSS vector also suggests local attack with user interaction. Research should begin by reconciling Belden BSECV-2023-06, the CVE record, and VulnCheck advisory before testing exposure.

Mitigation direction

  • Review Belden Security Bulletin BSECV-2023-06 for the authoritative affected product and fixed version.
  • Upgrade affected deployments to the vendor-fixed release, identified in the bundle as 08.3.02 or later.
  • Restrict access to management interfaces and project files to trusted administrators only.
  • Audit operator and auditor accounts until the vendor fix is applied.
  • Monitor Belden and CVE records for corrected metadata or revised guidance.

Validation and detection

  • Inventory Belden Hirschmann Industrial HiVision and HiSecOS deployments and record exact versions.
  • Compare deployed versions with Belden BSECV-2023-06, not only third-party summaries.
  • Confirm whether operator or auditor accounts exist on affected management interfaces.
  • Review logs for unexpected privilege changes or administrator role assignments.
  • Verify remediation by confirming the installed fixed version after upgrade.
Prepared
Confidence
medium
Sources
4

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · medium confidence lookup

CWE-269: Authorization and privilege behavior lookup

Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
description · low confidence lookup

Privilege behavior lookup

The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2023-7343 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
High
CVSS
8.5 (4.0)
Known Exploited
No
Published

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

2CVSS vectors
3Timeline events
1ADP providers
3Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: noTechnical Impact: total

CVSS vector scores

2 official scores

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
8.5CVSS 4.0HighCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NVulnCheck
7.8CVSS 3.1HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H1.85.9VulnCheck

Vulnerability scoring details

Base CVSS 4.0 score

8.5High
CVSS 4.0 vector shape for CVE-2023-7343Attack VectorAttack ComplexityAttack RequirementsPrivileges RequiredUser InteractionVS ConfidentialityVS IntegrityVS AvailabilitySS ConfidentialitySS IntegritySS Availability

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Attack Requirements
NonePresent
Privileges Required
NoneLowHigh
User Interaction
NonePassiveActive
VS Confidentiality
HighLowNone
VS Integrity
HighLowNone
VS Availability
HighLowNone
SS Confidentiality
HighLowNone
SS Integrity
HighLowNone
SS Availability
HighLowNone

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
other:ssvc
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
BeldenHirschmann Industrial HiVision08.3.02, 05.0.00unaffected
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-269 · source CWE mapping

Improper Privilege Management

Improper Privilege Management represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.