Go to homepageCyberStrike

Menu

Star on GitHub · 3.3k
Sign inDownload

CVE-2021-23814

6.7 · MEDIUM

This affects versions of the package unisharp/laravel-filemanager before 2.6.2.

Published Dec 17, 2021CWE-94EPSS 1.83%

Overview

CVE-2021-23814 is a medium-severity vulnerability. It was published on December 17, 2021 and has a CVSS 3.1 base score of 6.7 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.7, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

This affects versions of the package unisharp/laravel-filemanager before 2.6.2. The upload() function does not sufficiently validate the file type when uploading. An attacker may be able to reproduce the following steps: 1. Install a package with a web Laravel application. 2. Navigate to the Upload window 3. Upload an image file, then capture the request 4. Edit the request contents with a malicious file (webshell) 5. Enter the path of file uploaded on URL - Remote Code Execution **Note:** Prevention for bad extensions can be done by using a whitelist in the config file(lfm.php). Corresponding document can be found in [here](https://unisharp.github.io/laravel-filemanager/configfolder-categories).

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/UniSharp/laravel-filemanager/blob/master/src/Controllers/UploadController.php%23L26GitHubgithub.com/UniSharp/laravel-filemanager/issues/1113GitHubgithub.com/UniSharp/laravel-filemanager/releases/tag/v2.5.1GitHubgithub.com/UniSharp/laravel-filemanager/releases/tag/v2.6.2Refsecurity.snyk.io/vuln/SNYK-PHP-UNISHARPLARAVELFILEMANAGER-1567199GitHubgithub.com/UniSharp/laravel-filemanager/blob/master/src/Controllers/UploadController.php%23L26GitHubgithub.com/UniSharp/laravel-filemanager/issues/1113#issuecomment-1812092975Refsnyk.io/vuln/SNYK-PHP-UNISHARPLARAVELFILEMANAGER-1567199

How CyberStrike helps

Frequently asked questions

What is CVE-2021-23814?

CVE-2021-23814 is a medium-severity vulnerability. It was published on December 17, 2021 and has a CVSS 3.1 base score of 6.7 (MEDIUM).

How severe is CVE-2021-23814?

This vulnerability has a CVSS 3.1 base score of 6.7, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2021-23814?

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-2021-23814?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-23814 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.

Related MEDIUM CVEs from 2021

View all
Browse by year2026202520242023202220212020201920182017201620152014201320122011201020092008200720062005200420032002200120001999
LiveWatch live →