CVE-2020-4209 Path traversal in Spectrum Protect Plus

Medium 5.4 Published 4 May 2020 Updated 16 Sep 2024

Remote attackers can traverse directories to create arbitrary files on IBM Spectrum Protect Plus servers via crafted URL requests.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-4209?

CVE-2020-4209 is a medium-severity path traversal vulnerability in IBM Spectrum Protect Plus, published on 4 May 2020. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

IBM Spectrum Protect Plus 10.1.0 through 10.1.5 could allow a remote attacker to traverse directories on the system. An attacker could send a specially-crafted URL request containing "dot dot" sequences (/../) to create arbitrary files on the system. IBM X-Force ID: 175019.

Weakness: CWE-22

Which versions are affected by CVE-2020-4209?

It affects 1 product.

Products include Ibm Spectrum Protect Plus.

How do I fix CVE-2020-4209?

No fix has been published for CVE-2020-4209 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-2020-4209 being exploited?

There is no known exploitation of CVE-2020-4209 in the wild and no public exploit code.

Sources

Also known as GHSA-6fq7-r3q7-fv44.