CVE-2020-28337
Last modified
CVE-2020-28337 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. 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.. EPSS estimates a 16.61% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microweber | Microweber | <= 1.1.20 |
References
- http://packetstormsecurity.com/files/162514/Microweber-CMS-1.1.20-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- https://github.com/microweber/microweber/commit/777ee9c3e7519eb3672c79ac41066175b2001b50Patch, Third Party Advisory
- https://sl1nki.page/advisories/CVE-2020-28337Third Party Advisory
- https://sl1nki.page/blog/2021/02/01/microweber-zip-slipExploit, Patch, Third Party Advisory
- http://packetstormsecurity.com/files/162514/Microweber-CMS-1.1.20-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- https://github.com/microweber/microweber/commit/777ee9c3e7519eb3672c79ac41066175b2001b50Patch, Third Party Advisory
- https://sl1nki.page/advisories/CVE-2020-28337Third Party Advisory
- https://sl1nki.page/blog/2021/02/01/microweber-zip-slipExploit, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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