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Findings

Vulnerability · CVE-2022-23178

Crestron hd-md4x2-4k-e_firmware Improper Authentication

Published Jun 26, 2024 · corrected/updated Jun 26, 2024 · Crestron hd-md4x2-4k-e_firmware · evidence confidence very high

An issue was discovered on Crestron HD-MD4X2-4K-E 1.0.0.2159 devices. When the administrative web interface of the HDMI switcher is accessed unauthenticated, user credentials are disclosed that are valid to authenticate to the web interface. Specifically, aj.html sends a JSON document with uname and upassword fields.

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

CVE-2022-23178 is a unknown public vulnerability record for Crestron hd-md4x2-4k-e_firmware. CISA lists it as known exploited. Published remediation guidance: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether Crestron hd-md4x2-4k-e_firmware is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: Crestron hd-md4x2-4k-e_firmware. Published remediation guidance: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: no CVSS/EPSS yet. CISA lists it as known exploited. Sources contributing to this record: vulncheck_kev. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Exploitation and remediation

  • Exploitation evidence

    Confirmed in CISA KEV since Jun 26, 2024. Listed in CISA KEV and VulnCheck KEV.

  • Patch and remediation

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

  • Safe detection guidance

    Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 26, 2024 · VulnCheck KEV

    Detected

    An issue was discovered on Crestron HD-MD4X2-4K-E 1.0.0.2159 devices. When the administrative web interface of the HDMI switcher is accessed unauthenticated, user credentials are disclosed that are valid to authenticate to the web interface. Specifically, aj.html sends a JSON document with uname and upassword fields.

  2. Jun 26, 2024 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Affected

  • vendor Crestron hd-md4x2-4k-e_firmwareversion unspecified

Sources

  • VulnCheck KEVConfirmed exploitationCVE-2022-23178

    An issue was discovered on Crestron HD-MD4X2-4K-E 1.0.0.2159 devices. When the administrative web interface of the HDMI switcher is accessed unauthenticated, user credentials are disclosed that are valid to authenticate to the web interface. Specifically, aj.html sends a JSON doc

    vulncheck.com

References