HTTP: Nagios XI Custom Includes Component Arbitrary File Upload
This signature detects attempts to exploit a known vulnerability against Nagios XI. A successful attack can lead to arbitrary code execution.
Extended Description
An issue was discovered in Nagios XI 5.8.5. In the Custom Includes section of the Admin panel, an administrator can upload files with arbitrary extensions as long as the MIME type corresponds to an image. Therefore it is possible to upload a crafted PHP script to achieve remote command execution.
Affected Products
Nagios nagios_xi
Short Name
HTTP:CTS:NAGIOS-XI-CC-AFU
Severity
Major
Recommended
False
Recommended Action
Drop
Category
HTTP
Keywords
Arbitrary CVE-2021-40343 CVE-2021-40344 Component Custom File Includes Nagios Upload XI
Release Date
10/25/2021
Supported Platforms
srx-branch-12.3
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-branch-19.4
vsrx-19.4
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx3bsd-19.4
srx-19.4
vsrx-12.3
vmx-19.3
vsrx-19.2
srx-12.3
Sigpack Version
3590
False Positive
Unknown
Vendors
Nagios
CVSS Score
6.5
7.2