Vulnerability · Published Oct 26, 2021 · Assigned by mitre
CVE-2021-40344
High 7.2
In plain English
A high-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 64.8% (higher than 99.2% of all known vulnerabilities).
Severity (CVSS NVD)7.2High
Exploit odds (30 days)64.8%top 0.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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 (as reported)
References
- https://assets.nagios.com/downloads/nagiosxi/CHANGES-5.TXT x_refsource_MISC
- https://synacktiv.com x_refsource_MISC
- https://www.synacktiv.com/sites/default/files/2021-10/Nagios_XI_multiple_vulnerabilities_0.pdf x_refsource_MISC