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CVE-2024-39345

7.2 · HIGH

AdTran 834-5 HDC17600021F1 (SmartOS 11.1.1.1) devices enable the SSH service by default and have a hidden, undocumented, hard-coded support account whose password is based on the devices MAC address.

Published Jul 24, 2024CWE-78EPSS 0.53%

Overview

CVE-2024-39345 is a high-severity vulnerability. It was published on July 24, 2024 and has a CVSS 3.1 base score of 7.2 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

AdTran 834-5 HDC17600021F1 (SmartOS 11.1.1.1) devices enable the SSH service by default and have a hidden, undocumented, hard-coded support account whose password is based on the devices MAC address. All of the devices internet interfaces share a similar MAC address that only varies in their final octet. This allows network-adjacent attackers to derive the support user's SSH password by decrementing the final octet of the connected gateway address or via the BSSID. An attacker can then execute arbitrary OS commands with root-level privileges. NOTE: The vendor states that there is no intended functionality allowing an attacker to execute arbitrary OS Commands with root-level privileges. The vendor also states that this issue was fixed in SmartOS 12.5.5.1.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/actuator/cve/blob/main/AdTran/CVE-2024-39345GitHubgithub.com/actuator/cve/blob/main/AdTran/TBARefsupportcommunity.adtran.com/t5/Security-Advisories/ADTSA-2024001-Multiple-vulnerabilities-in-Service-Delivery-Gateway-products/ta-p/39332GitHubgithub.com/actuator/cve/blob/main/AdTran/CVE-2024-39345GitHubgithub.com/actuator/cve/blob/main/AdTran/TBA

How CyberStrike helps

Frequently asked questions

What is CVE-2024-39345?

CVE-2024-39345 is a high-severity vulnerability. It was published on July 24, 2024 and has a CVSS 3.1 base score of 7.2 (HIGH).

How severe is CVE-2024-39345?

This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2024-39345?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2024-39345?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-39345 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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