CVE-2021-3277: Malicious File Upload
First published: Mon Jun 07 2021(Updated: )
Nagios XI 5.7.5 and earlier allows authenticated admins to upload arbitrary files due to improper validation of the rename functionality in custom-includes component, which leads to remote code execution by uploading php files.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Nagios Nagios XI | <=5.7.5 |
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Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2021-3277.
What is the severity of CVE-2021-3277?
The severity of CVE-2021-3277 is high with a severity score of 7.2.
What is the affected software?
The affected software is Nagios XI version 5.7.5 and earlier.
How does CVE-2021-3277 allow remote code execution?
CVE-2021-3277 allows remote code execution by allowing authenticated admins to upload arbitrary files due to improper validation of the rename functionality in the custom-includes component, which can lead to the execution of uploaded PHP files.
Is there a fix available for CVE-2021-3277?
Yes, upgrading Nagios XI to a version beyond 5.7.5 will fix the vulnerability.
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