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CVE-2017-16566

9.8 · CRITICAL

On Jooan IP Camera A5 2.3.36 devices, an insecure FTP server does not require authentication, which allows remote attackers to read or replace core system files including those used for authenticat…

Published Nov 17, 2017CWE-287EPSS 2.56%

Overview

CVE-2017-16566 is a critical-severity vulnerability. It was published on November 17, 2017 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

On Jooan IP Camera A5 2.3.36 devices, an insecure FTP server does not require authentication, which allows remote attackers to read or replace core system files including those used for authentication (such as passwd and shadow). This can be abused to take full root level control of the device.

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

Refsiggyd.github.io/Advisories/CVE-2017-16566Refsiggyd.github.io/Advisories/CVE-2017-16566

How CyberStrike helps

Frequently asked questions

What is CVE-2017-16566?

CVE-2017-16566 is a critical-severity vulnerability. It was published on November 17, 2017 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2017-16566?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2017-16566?

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-2017-16566?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-16566 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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