CVE-2020-5788 Path traversal in Teltonika Gateway TRB245

Medium 6.5 Published 1 Oct 2020 Updated 4 Aug 2024

An authenticated attacker can delete arbitrary files on Teltonika TRB245 gateways via a path traversal vulnerability in the certificate deletion function.

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

What is CVE-2020-5788?

CVE-2020-5788 is a medium-severity path traversal vulnerability in Teltonika Gateway TRB245, published on 1 Oct 2020. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Relative Path Traversal in Teltonika firmware TRB2_R_00.02.04.3 allows a remote, authenticated attacker to delete arbitrary files on disk via the admin/system/admin/certificates/delete action.

Weakness: CWE-22

Which versions are affected by CVE-2020-5788?

It affects 1 product.

Products include Teltonika-Networks Trb245 Firmware.

How do I fix CVE-2020-5788?

No fix has been published for CVE-2020-5788 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-2020-5788 being exploited?

There is no known exploitation of CVE-2020-5788 in the wild and no public exploit code.

Sources

Also known as GHSA-m338-hfp7-vjr8.