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CVE-2019-11021

7.2 · HIGH

admin/app/mediamanager in Schlix CMS 2.1.8-7 allows Authenticated Unrestricted File Upload, leading to remote code execution.

Published Oct 24, 2019CWE-434EPSS 2.24%

Overview

CVE-2019-11021 is a high-severity vulnerability. It was published on October 24, 2019 and has a CVSS 3.1 base score of 7.2 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

admin/app/mediamanager in Schlix CMS 2.1.8-7 allows Authenticated Unrestricted File Upload, leading to remote code execution. NOTE: "While inadvertently allowing a PHP file to be uploaded via Media Manager was an oversight, it still requires an admin permission. We think it's pretty rare for an administrator to exploit a bug on his/her own site to own his/her own site.

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

Refgurelahmet.com/schlix-cms-v2-1-8-7-authenticated-unrestricted-file-upload-to-rce/Refvuldb.com/?id.144129Refwww.incibe-cert.es/en/early-warning/vulnerabilities/cve-2019-11021Refwww.schlix.com/html/schlix-cms-downloads.htmlRefwww.schlix.com/news/security/cve-2019-11021-for-older-schlix-cms-v2-1-8-7-november-2018.htmlRefgurelahmet.com/schlix-cms-v2-1-8-7-authenticated-unrestricted-file-upload-to-rce/Refvuldb.com/?id.144129Refwww.incibe-cert.es/en/early-warning/vulnerabilities/cve-2019-11021Refwww.schlix.com/html/schlix-cms-downloads.htmlRefwww.schlix.com/news/security/cve-2019-11021-for-older-schlix-cms-v2-1-8-7-november-2018.html

How CyberStrike helps

Frequently asked questions

What is CVE-2019-11021?

CVE-2019-11021 is a high-severity vulnerability. It was published on October 24, 2019 and has a CVSS 3.1 base score of 7.2 (HIGH).

How severe is CVE-2019-11021?

This vulnerability has a CVSS 3.1 base score of 7.2, 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-2019-11021?

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-2019-11021?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2019-11021 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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