CVE-2021-37351: Medium severity Nagios Nagios XI vulnerability
Nagios XI before version 5.8.5 is vulnerable to insecure permissions and allows unauthenticated users to access guarded pages through a crafted HTTP request to the server.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Nagios XIto a version that resolves this vulnerability.Fixed in 5.8.5 - Compensating control
Mitigate unauthenticated access to guarded pages by restricting HTTP access to Nagios XI (e.g., via network firewall/ACL) so untrusted clients cannot reach the vulnerable endpoints.
Event History
Frequently Asked Questions
What is the vulnerability ID for this vulnerability?
The vulnerability ID for this vulnerability is CVE-2021-37351.
What is the title of this vulnerability?
The title of this vulnerability is 'Nagios XI before version 5.8.5 is vulnerable to insecure permissions and allows unauthenticated users to access guarded pages through a crafted HTTP request to the server.'
How severe is CVE-2021-37351?
The severity of CVE-2021-37351 is medium (5.3).
What software is affected by CVE-2021-37351?
Nagios XI before version 5.8.5 is affected by CVE-2021-37351.
How can unauthenticated users exploit CVE-2021-37351?
Unauthenticated users can exploit CVE-2021-37351 by accessing guarded pages through a crafted HTTP request to the server.
Is there a fix available for CVE-2021-37351?
Yes, updating Nagios XI to version 5.8.5 or newer will fix CVE-2021-37351.
Where can I find more information about CVE-2021-37351?
You can find more information about CVE-2021-37351 on the Nagios XI change log page at https://www.nagios.com/downloads/nagios-xi/change-log/.
What is the CWE ID for this vulnerability?
The CWE ID for this vulnerability is CWE-276.