CVE-2020-27730 Path traversal in NGINX Controller

Critical 9.8 Published Updated

An attacker can execute arbitrary commands by exploiting relative path usage in system utility calls within the NGINX Controller Agent.

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-2020-27730?

CVE-2020-27730 is a critical path traversal vulnerability in Netapp Cloud Backup, published on 11 Dec 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In versions 3.0.0-3.9.0, 2.0.0-2.9.0, and 1.0.1, the NGINX Controller Agent does not use absolute paths when calling system utilities.

Weakness: CWE-22

Which versions are affected by CVE-2020-27730?

It affects 2 products.

Products include F5 Nginx Controller, Netapp Cloud Backup.

How do I fix CVE-2020-27730?

No fix has been published for CVE-2020-27730 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2020-27730 being exploited?

There is no known exploitation of CVE-2020-27730 in the wild and no public exploit code.

All Netapp Cloud Backup vulnerabilities

Sources

Also known as GHSA-x57f-j62c-638w.

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