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CVE-2018-9109

9.1 · CRITICAL

Studio 42 elFinder before 2.1.36 has a directory traversal vulnerability in elFinder.class.php with the zipdl() function that can allow a remote attacker to download files accessible by the web ser…

Published Mar 28, 2018CWE-22EPSS 2.94%

Overview

CVE-2018-9109 is a critical-severity vulnerability. It was published on March 28, 2018 and has a CVSS 3.1 base score of 9.1 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Studio 42 elFinder before 2.1.36 has a directory traversal vulnerability in elFinder.class.php with the zipdl() function that can allow a remote attacker to download files accessible by the web server process and delete files owned by the account running the web server process.

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/Studio-42/elFinder/commit/157f471d7e48f190f74e66eb5bc73360b5352fd3GitHubgithub.com/Studio-42/elFinder/releases/tag/2.1.36GitHubgithub.com/Studio-42/elFinder/wiki/Advisory-about-vulnerability-of-CVE-2018-9109-and-CVE-2018-9110GitHubgithub.com/Studio-42/elFinder/commit/157f471d7e48f190f74e66eb5bc73360b5352fd3GitHubgithub.com/Studio-42/elFinder/releases/tag/2.1.36GitHubgithub.com/Studio-42/elFinder/wiki/Advisory-about-vulnerability-of-CVE-2018-9109-and-CVE-2018-9110

How CyberStrike helps

Frequently asked questions

What is CVE-2018-9109?

CVE-2018-9109 is a critical-severity vulnerability. It was published on March 28, 2018 and has a CVSS 3.1 base score of 9.1 (CRITICAL).

How severe is CVE-2018-9109?

This vulnerability has a CVSS 3.1 base score of 9.1, 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-2018-9109?

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-2018-9109?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-9109 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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