CVE-2020-28900 Code injection in n/a

Critical 9.8 Published Updated

Attackers can execute arbitrary code as root by supplying a malicious update package to the upgrade script in Nagios Fusion and XI.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2020-28900?

CVE-2020-28900 is a critical code injection vulnerability in Nagios Nagios Xi, published on 24 May 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Insufficient Verification of Data Authenticity in Nagios Fusion 4.1.8 and earlier and Nagios XI 5.7.5 and earlier allows for Escalation of Privileges or Code Execution as root via vectors related to an untrusted update package to upgrade_to_latest.sh.

Weakness: CWE-345

Which versions are affected by CVE-2020-28900?

It affects 2 products.

Products include Nagios Fusion, Nagios Nagios Xi.

How do I fix CVE-2020-28900?

No fix has been published for CVE-2020-28900 yet. Limit exposure of the affected software until one is available.

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

Is CVE-2020-28900 being exploited?

There is no known exploitation of CVE-2020-28900 in the wild and no public exploit code.

All Nagios Nagios Xi vulnerabilities

Sources

Also known as GHSA-j8w7-pmfx-jm24.

Is CVE-2020-28900 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free