CVE-2021-35478

Public Exploit

Description

Nagios Log Server before 2.1.9 contains Reflected XSS in the dropdown box for the alert history and audit log function. All parameters used for filtering are affected. This affects users who open a crafted link or third-party web page.

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 55.59% Top 5%
Vendor Advisory nagios.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.nagios.com/downloads/nagios-log-server/change-log/ release notes vendor advisory
https://research.nccgroup.com/?research=Technical%20advisories third party advisory
https://research.nccgroup.com/2021/07/22/technical-advisory-stored-and-reflected-xss-vulnerability-in-nagios-log-server-cve-2021-35478cve-2021-35479/ third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-35478?
CVE-2021-35478 has been scored as a medium severity vulnerability.
How to fix CVE-2021-35478?
To fix CVE-2021-35478, 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-2021-35478 being actively exploited in the wild?
It is possible that CVE-2021-35478 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~56% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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