CVE-2020-21483: Malicious File Upload
Published 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.
Affected Software
1 affected component
Jizhicms JIZHICMS=1.5
Event History
Sep 15, 2021
CVE Published
via MITRE·09:43 PM
Data Sourced
via MITRE·09:43 PM
Description
Frequently Asked Questions
1
What is CVE-2020-21483?
CVE-2020-21483 is an arbitrary file upload vulnerability in Jizhicms v1.5.
2
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.
3
What is the severity of CVE-2020-21483?
CVE-2020-21483 has a severity rating of 7.2 (high).
4
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.
5
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.