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CVE-2020-5237

8.8 · HIGH

Multiple relative path traversal vulnerabilities in the oneup/uploader-bundle before 1.9.3 and 2.1.5 allow remote attackers to upload, copy, and modify files on the filesystem (potentially leading…

Published Feb 5, 2020CWE-23EPSS 3.93%

Overview

CVE-2020-5237 is a high-severity vulnerability. It was published on February 5, 2020 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Multiple relative path traversal vulnerabilities in the oneup/uploader-bundle before 1.9.3 and 2.1.5 allow remote attackers to upload, copy, and modify files on the filesystem (potentially leading to arbitrary code execution) via the (1) filename parameter to BlueimpController.php; the (2) dzchunkindex, (3) dzuuid, or (4) filename parameter to DropzoneController.php; the (5) qqpartindex, (6) qqfilename, or (7) qquuid parameter to FineUploaderController.php; the (8) x-file-id or (9) x-file-name parameter to MooUploadController.php; or the (10) name or (11) chunk parameter to PluploadController.php. This is fixed in versions 1.9.3 and 2.1.5.

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/1up-lab/OneupUploaderBundle/commit/a6011449b716f163fe1ae323053077e59212350cGitHubgithub.com/1up-lab/OneupUploaderBundle/security/advisories/GHSA-x8wj-6m73-gfqpRefwww.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2020-003.txtGitHubgithub.com/1up-lab/OneupUploaderBundle/commit/a6011449b716f163fe1ae323053077e59212350cGitHubgithub.com/1up-lab/OneupUploaderBundle/security/advisories/GHSA-x8wj-6m73-gfqpRefwww.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2020-003.txt

How CyberStrike helps

Frequently asked questions

What is CVE-2020-5237?

CVE-2020-5237 is a high-severity vulnerability. It was published on February 5, 2020 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2020-5237?

This vulnerability has a CVSS 3.1 base score of 8.8, 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-2020-5237?

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-2020-5237?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-5237 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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