CVE-2023-51803 - Vulnerability Details - OpenCVE

LinuxServer.io Heimdall before 2.5.7 does not prevent use of icons that have non-image data such as the "<?php ?>" substring.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00049.

Exploitation none

Automatable yes

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

No data.

No data.

No data.

Project Subscriptions

Vendors	Products
Linuxserver Subscribe	Heimdall Application Dashboard Subscribe

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://github.com/linuxserver/Heimdall/pull/1167
https://github.com/linuxserver/Heimdall/pull/1173
https://github.com/linuxserver/Heimdall/releases/tag/v2.5.7

History

Thu, 26 Feb 2026 13:15:00 +0000

Type	Values Removed	Values Added
First Time appeared		Linuxserver Linuxserver heimdall Application Dashboard
CPEs		cpe:2.3:a:linuxserver:heimdall_application_dashboard::::::::
Vendors & Products		Linuxserver Linuxserver heimdall Application Dashboard
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Wed, 16 Jul 2025 13:45:00 +0000

Type	Values Removed	Values Added
Metrics	epss `{'score': 0.00084}`	epss `{'score': 0.00086}`

Tue, 20 Aug 2024 21:00:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-674
Metrics		cvssV3_1 `{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2024-03-31T00:00:00.000Z

Updated: 2024-08-20T19:40:24.777Z

Reserved: 2023-12-26T00:00:00.000Z

Link: CVE-2023-51803

Vulnrichment

Updated: 2024-08-02T22:48:11.914Z

NVD

Status : Awaiting Analysis

Published: 2024-04-01T00:15:49.447

Modified: 2024-11-21T08:38:51.430

Link: CVE-2023-51803

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-674

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