CVE-2020-21483: Malicious File Upload
First published: Wed Sep 15 2021(Updated: )
An arbitrary file upload vulnerability in Jizhicms v1.5 allows attackers to execute arbitrary code via a crafted .jpg file which is later changed to a PHP file.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Jizhicms Jizhicms | =1.5 |
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Frequently Asked Questions
What is CVE-2020-21483?
CVE-2020-21483 is an arbitrary file upload vulnerability in Jizhicms v1.5.
How does CVE-2020-21483 work?
CVE-2020-21483 allows attackers to execute arbitrary code via a crafted .jpg file which is later changed to a PHP file.
What is the severity of CVE-2020-21483?
CVE-2020-21483 has a severity rating of 7.2 (high).
How can attackers exploit CVE-2020-21483?
Attackers can exploit CVE-2020-21483 by uploading a crafted .jpg file that is later changed to a PHP file, allowing them to execute arbitrary code.
How can I fix CVE-2020-21483?
To fix CVE-2020-21483, update Jizhicms to a version that addresses the vulnerability, and ensure that file uploads are properly validated and restricted to approved file types.
- collector/nvd-index
- vendor/jizhicms
- canonical/jizhicms jizhicms
- version/jizhicms jizhicms/1.5