CVE-2020-13977 Code injection in n/a

Medium 4.9 Published Updated

An attacker with administrative access can execute arbitrary code by modifying CGI configuration settings in Nagios.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2020-13977?

CVE-2020-13977 is a medium-severity code injection vulnerability in Fedoraproject Fedora, published on 9 Jun 2020. An attacker needs administrator access to exploit it, with no action from the victim.

Official 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.

Weakness: CWE-829

Which versions are affected by CVE-2020-13977?

It affects 2 products.

Products include Fedoraproject Fedora, Nagios Nagios.

How do I fix CVE-2020-13977?

Apply the vendor's patch.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2020-13977 being exploited?

There is no known exploitation of CVE-2020-13977 in the wild and no public exploit code.

All Fedoraproject Fedora vulnerabilities

Sources

Also known as DEBIAN-CVE-2020-13977, GHSA-c962-q9ch-7qhw, MGASA-2021-0209, UBUNTU-CVE-2020-13977.

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