CVE-2021-40343 — HIGH (7.8)

Vulnerability 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.

CVSS Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Nagios	Nagios Xi	5.8.5

Related Weaknesses (CWE)

CWE-732

References

https://assets.nagios.com/downloads/nagiosxi/CHANGES-5.TXTRelease NotesVendor Advisory
https://synacktiv.comNot Applicable
https://www.synacktiv.com/sites/default/files/2021-10/Nagios_XI_multiple_vulneraExploitThird Party Advisory
https://assets.nagios.com/downloads/nagiosxi/CHANGES-5.TXTRelease NotesVendor Advisory
https://synacktiv.comNot Applicable
https://www.synacktiv.com/sites/default/files/2021-10/Nagios_XI_multiple_vulneraExploitThird Party Advisory

FAQ

What is CVE-2021-40343?

CVE-2021-40343 is a vulnerability with a CVSS score of 7.8 (HIGH). 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.

How severe is CVE-2021-40343?

CVE-2021-40343 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-40343?

Check the references section above for vendor advisories and patch information. Affected products include: Nagios Nagios Xi.