CVE-2020-28337

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    CVE-2020-28337

    Published: 15 Feb 2021Last Modified: 8 Jul 2026

    Summary:

    Details: 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.

    References: https://sl1nki.page/advisories/CVE-2020-28337, https://github.com/microweber/microweber/commit/777ee9c3e7519eb3672c79ac41066175b2001b50, https://sl1nki.page/blog/2021/02/01/microweber-zip-slip, http://packetstormsecurity.com/files/162514/Microweber-CMS-1.1.20-Remote-Code-Execution.html

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -777ee9c3e7519eb3672c79ac41066175b2001b50

    Affected versions

    1.0.7-fix1
    1.0.6
    1.0.5-fix1
    1.0.3

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2020-28337 | CVE-DB