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CVE-2018-7300

9.8 · CRITICAL

Directory Traversal / Arbitrary File Write / Remote Code Execution in the User.setLanguage method in eQ-3 AG Homematic CCU2 2.29.2 and earlier allows remote attackers to write arbitrary files to th…

Published Feb 22, 2018CWE-22EPSS 30.59%

Overview

CVE-2018-7300 is a critical-severity vulnerability. It was published on February 22, 2018 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

Directory Traversal / Arbitrary File Write / Remote Code Execution in the User.setLanguage method in eQ-3 AG Homematic CCU2 2.29.2 and earlier allows remote attackers to write arbitrary files to the device's filesystem. This vulnerability can be exploited by unauthenticated attackers with access to the web interface.

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

Refatomic111.github.io/article/homematic-ccu2-filewriteRefwww.exploit-db.com/exploits/44361/Refatomic111.github.io/article/homematic-ccu2-filewriteRefwww.exploit-db.com/exploits/44361/

How CyberStrike helps

Frequently asked questions

What is CVE-2018-7300?

CVE-2018-7300 is a critical-severity vulnerability. It was published on February 22, 2018 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2018-7300?

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-2018-7300?

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-2018-7300?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-7300 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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