CVE-2021-40343

Public Exploit

Description

An issue was discovered in Nagios XI 5.8.5. Insecure file permissions on the nagios_unbundler.py file allow the nagios user to elevate their privileges to the root user.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.46%
Vendor Advisory nagios.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://assets.nagios.com/downloads/nagiosxi/CHANGES-5.TXT release notes vendor advisory
https://synacktiv.com not applicable
https://www.synacktiv.com/sites/default/files/2021-10/Nagios_XI_multiple_vulnerabilities_0.pdf third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-40343?
CVE-2021-40343 has been scored as a high severity vulnerability.
How to fix CVE-2021-40343?
To fix CVE-2021-40343, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-40343 being actively exploited in the wild?
It is possible that CVE-2021-40343 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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