CVE-2020-5015 Denial of service in Elastic Storage Server

High 7.5 Published 24 Mar 2021 Updated 16 Sep 2024

Remote attackers can cause a denial of service in IBM Elastic Storage systems by sending malformed UDP requests.

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-2020-5015?

CVE-2020-5015 is a high-severity denial of service vulnerability in IBM Elastic Storage Server, published on 24 Mar 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

IBM Elastic Storage System 6.0.0 through 6.0.1.2 and IBM Elastic Storage Server 5.3.0 through 5.3.6.2 could allow a remote attacker to cause a denial of service by sending malformed UDP requests. IBM X-Force ID: 193486.

Which versions are affected by CVE-2020-5015?

It affects 2 products.

Products include Ibm Elastic Storage Server, Ibm Elastic Storage System.

How do I fix CVE-2020-5015?

No fix has been published for CVE-2020-5015 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2020-5015 being exploited?

There is no known exploitation of CVE-2020-5015 in the wild and no public exploit code.

Sources

Also known as GHSA-8fxc-q593-x6h3.