File Upload Vulnerability in Nagios XI by Nagios
CVE-2021-40344

7.2HIGH

Key Information:

Vendor

Nagios

Status
Nagios Xi
Vendor
CVE Published:
26 October 2021

What is CVE-2021-40344?

A vulnerability has been identified in Nagios XI 5.8.5, allowing administrators to upload files with arbitrary extensions, provided the MIME type is recognized as an image. This flaw enables the potential upload of malicious PHP scripts, paving the way for remote command execution by unauthorized users. Proper validation and restrictions are critical to safeguard against such exploits.

References

https://assets.nagios.com/downloads/nagiosxi/CHANGES-5.TXT
x_refsource_MISC
https://synacktiv.com
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https://www.synacktiv.com/sites/default/files/2021-10/Nag...
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EPSS Score

67% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.