CVE-2024-23962

Alpine Halo9 Missing Authentication

Published Jan 30, 2025 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
This vulnerability allows remote attackers to disclose sensitive information on affected installations of Alpine Halo9 devices. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the DLT interface, which listens on TCP port 3490 by default. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the device.

Remediation

Vendor Workaround

Alpine conducted a Threat Assessment and Remediation Analysis (TARA) in accordance with ISO21434, and concluded that the vulnerability is classified as "Sharing the Risk". Alpine states that they will continue to use the current software without a releasing patch.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-21388 This vulnerability allows remote attackers to disclose sensitive information on affected installations of Alpine Halo9 devices. Authentication is not required to exploit this vulnerability. The specific flaw exists within the DLT interface, which listens on TCP port 3490 by default. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the device.
History
Type Values Removed Values Added
First Time appeared Alpsalpine
Alpsalpine ilx-f509
Alpsalpine ilx-f509 Firmware
CPEs cpe:2.3:h:alpine-usa:ilx-f509:-:*:*:*:*:*:*:*
cpe:2.3:o:alpine-usa:ilx-f509_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:alpsalpine:ilx-f509:-:*:*:*:*:*:*:*
cpe:2.3:o:alpsalpine:ilx-f509_firmware:*:*:*:*:*:*:*:*
Vendors & Products Alpine-usa
Alpine-usa ilx-f509
Alpine-usa ilx-f509 Firmware
Alpsalpine
Alpsalpine ilx-f509
Alpsalpine ilx-f509 Firmware
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}

Type Values Removed Values Added
First Time appeared Alpine-usa
Alpine-usa ilx-f509
Alpine-usa ilx-f509 Firmware
CPEs cpe:2.3:h:alpine-usa:ilx-f509:-:*:*:*:*:*:*:*
cpe:2.3:o:alpine-usa:ilx-f509_firmware:*:*:*:*:*:*:*:*
Vendors & Products Alpine-usa
Alpine-usa ilx-f509
Alpine-usa ilx-f509 Firmware
Type Values Removed Values Added
Weaknesses CWE-200
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

Type Values Removed Values Added
Weaknesses CWE-862
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

Type Values Removed Values Added
Weaknesses CWE-862
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description This vulnerability allows remote attackers to disclose sensitive information on affected installations of Alpine Halo9 devices. Authentication is not required to exploit this vulnerability. The specific flaw exists within the DLT interface, which listens on TCP port 3490 by default. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the device.
Title Alpine Halo9 Missing Authentication
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
icscert
Published
Updated
Jul 1, 2025, 1:43 PM
Reserved
Jan 25, 2024, 12:14 AM
Status
Analyzed
Published
Jan 31, 2025, 12:15 AM
Modified
Jun 17, 2026, 7:13 AM