Go to homepageCyberStrike

Menu

Star on GitHub · 3.3k
Sign inDownload

CVE-2020-28337

7.2 · HIGH

A directory traversal issue in the Utils/Unzip module in Microweber through 1.1.20 allows an authenticated attacker to gain remote code execution via the backup restore feature.

Published Feb 15, 2021CWE-22EPSS 16.61%

Overview

CVE-2020-28337 is a high-severity vulnerability. It was published on February 15, 2021 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

A directory traversal issue in the Utils/Unzip module in Microweber through 1.1.20 allows an authenticated attacker to gain remote code execution via the backup restore feature. To exploit the vulnerability, an attacker must have the credentials of an administrative user, upload a maliciously constructed ZIP file with file paths including relative paths (i.e., ../../), move this file into the backup directory, and execute a restore on this file.

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

Refpacketstormsecurity.com/files/162514/Microweber-CMS-1.1.20-Remote-Code-Execution.htmlGitHubgithub.com/microweber/microweber/commit/777ee9c3e7519eb3672c79ac41066175b2001b50Refsl1nki.page/advisories/CVE-2020-28337Refsl1nki.page/blog/2021/02/01/microweber-zip-slipRefpacketstormsecurity.com/files/162514/Microweber-CMS-1.1.20-Remote-Code-Execution.htmlGitHubgithub.com/microweber/microweber/commit/777ee9c3e7519eb3672c79ac41066175b2001b50Refsl1nki.page/advisories/CVE-2020-28337Refsl1nki.page/blog/2021/02/01/microweber-zip-slip

How CyberStrike helps

Frequently asked questions

What is CVE-2020-28337?

CVE-2020-28337 is a high-severity vulnerability. It was published on February 15, 2021 and has a CVSS 3.1 base score of 7.2 (HIGH).

How severe is CVE-2020-28337?

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-2020-28337?

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-2020-28337?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-28337 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 HIGH CVEs from 2020

View all
Browse by year2026202520242023202220212020201920182017201620152014201320122011201020092008200720062005200420032002200120001999
LiveWatch live →