High severity · published Oct 26, 2021
CVE-2021-40343
An issue was discovered in Nagios XI 5.8.5
7.8
CVSS
0.7%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 51% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NX
Nagios XI · Nagios
5.8.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-40343
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-40343
Release Notes
https://assets.nagios.com/downloads/nagiosxi/CHANGES-5.TXT
Not Applicable
https://synacktiv.com
Exploit
https://www.synacktiv.com/sites/default/files/2021-10/Nagios_XI_multiple_vulnerabilities_0.pdf
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