CVE-2020-13977

Public Exploit

Description

Nagios 4.4.5 allows an attacker, who already has administrative access to change the "URL for JSON CGIs" configuration setting, to modify the Alert Histogram and Trends code via crafted versions of the archivejson.cgi, objectjson.cgi, and statusjson.cgi files. NOTE: this vulnerability has been mistakenly associated with CVE-2020-1408.

Category

4.9
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 7.54% Top 10%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory nagios.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://anhtai.me/nagios-core-4-4-5-url-injection/ third party advisory exploit
https://www.nagios.org/projects/nagios-core/history/4x/ release notes vendor advisory
https://github.com/sawolf/nagioscore/tree/url-injection-fix product third party advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H7T6MSDWMBJEVVFSOK7DOYJJWDAFQCEQ/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JUEIABR4Y6L5J5MZDFWU46ZWXMJO64U3/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5P6NHNG2SJAM6DXVTXQH3AOJ4WQVKJUE/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-13977?
CVE-2020-13977 has been scored as a medium severity vulnerability.
How to fix CVE-2020-13977?
To fix CVE-2020-13977, 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-2020-13977 being actively exploited in the wild?
It is possible that CVE-2020-13977 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~8% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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