CVE-2021-37223 Server-side request forgery in n/a

What is CVE-2021-37223?

CVE-2021-37223 is a medium-severity server-side request forgery vulnerability in Nagios Nagios Xi, published on 5 Oct 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Nagios Enterprises NagiosXI <= 5.8.4 contains a Server-Side Request Forgery (SSRF) vulnerability in schedulereport.php. Any authenticated user can create scheduled reports containing PDF screenshots of any view in the NagiosXI application. Due to lack of input sanitisation, the target page can be replaced with an SSRF payload to access internal resources or disclose local system files.

Weakness: CWE-918

Which versions are affected by CVE-2021-37223?

It affects 1 product.

Products include Nagios Nagios Xi.

How do I fix CVE-2021-37223?

No fix has been published for CVE-2021-37223 yet. Limit exposure of the affected software until one is available.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2021-37223 being exploited?

There is no known exploitation of CVE-2021-37223 in the wild and no public exploit code.

Other vulnerabilities in Nagios Nagios Xi

• CVE-2021-25296 Nagios XI OS Command Injection Exploited High 8.8
• CVE-2021-25297 Nagios XI OS Command Injection Exploited High 8.8
• CVE-2021-25298 Nagios XI OS Command Injection Exploited High 8.8
• CVE-2019-15949 Nagios XI Remote Code Execution Exploited High 8.8
• CVE-2024-24401 SQL injection in n/a Critical 9.8

All Nagios Nagios Xi vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-8gvx-2fxm-77jm.