CVE-2020-4719 Server-side request forgery in Cloud APM
An authenticated admin can trigger arbitrary DNS requests via webhook configuration, potentially enabling Server-Side Request Forgery attacks.
- 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-2020-4719?
CVE-2020-4719 is a medium-severity server-side request forgery vulnerability in IBM Cloud APM, published on 2 Mar 2021. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
The IBM Cloud APM 8.1.4 server will issue a DNS request to resolve any hostname specified in the Cloud Event Management Webhook URL configuration definition. This could enable an authenticated user with admin authorization to create DNS query strings that are not hostnames. IBM X-Force ID: 187861.
Weakness: CWE-706
Which versions are affected by CVE-2020-4719?
It affects 1 product.
Products include Ibm Cloud Application Performance Management.
How do I fix CVE-2020-4719?
No fix has been published for CVE-2020-4719 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-2020-4719 being exploited?
There is no known exploitation of CVE-2020-4719 in the wild and no public exploit code.
Other vulnerabilities in IBM Cloud APM
Sources
Also known as GHSA-4jch-x64f-4whq.