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 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
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
- agent/weakness
- agent/references
- agent/severity
- agent/author
- agent/type
- agent/event
- agent/description
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- agent/tags
- collector/mitre-cve
- source/MITRE
- vendor/jizhicms
- canonical/jizhicms jizhicms
- version/jizhicms jizhicms/1.5