Vulnerability · CVE-2023-5222

viessmann vitogate_300_firmware Use of Hard-coded Password

Published Sep 16, 2024 · corrected/updated Sep 16, 2024 · viessmann vitogate_300_firmware · evidence confidence very high

A vulnerability classified as critical was found in Viessmann Vitogate 300 up to 2.1.3.0. This vulnerability affects the function isValidUser of the file /cgi-bin/vitogate.cgi of the component Web Management Interface. The manipulation leads to use of hard-coded password. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-240364. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

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-2023-5222 is a unknown public vulnerability record for viessmann vitogate_300_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 viessmann vitogate_300_firmware is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: viessmann vitogate_300_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 Sep 16, 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.

Sep 16, 2024 · VulnCheck KEV
Detected
A vulnerability classified as critical was found in Viessmann Vitogate 300 up to 2.1.3.0. This vulnerability affects the function isValidUser of the file /cgi-bin/vitogate.cgi of the component Web Management Interface. The manipulation leads to use of hard-coded password. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-240364. NOTE: The ven
Sep 16, 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 viessmann vitogate_300_firmwareversion unspecified

Sources

VulnCheck KEVConfirmed exploitationCVE-2023-5222
A vulnerability classified as critical was found in Viessmann Vitogate 300 up to 2.1.3.0. This vulnerability affects the function isValidUser of the file /cgi-bin/vitogate.cgi of the component Web Management Interface. The manipulation leads to use of hard-coded password. The exp
vulncheck.com