Vulnerability in Nagios Xi

CVE-2021-40343

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.

EPSS: 0.007 (47.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-40343?
CVE-2021-40343 is a high-severity vulnerability in Nagios Xi, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 7.8/10. Published 2021-10-26.
How severe is CVE-2021-40343?
High severity. CVSS v3 base score is 7.8 out of 10.