CVE-2020-36474 SafeCurl before 0.9.2 has a DNS rebinding vulnerability.
An attacker can exploit DNS rebinding in SafeCurl to bypass security controls and access internal network resources.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-36474?
CVE-2020-36474 is a critical server-side request forgery vulnerability in n/a, published on 20 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
SafeCurl before 0.9.2 has a DNS rebinding vulnerability.
Which versions are affected by CVE-2020-36474?
2 open source packages ship an affected version, including vanilla/safecurl. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
vanilla/safecurl Packagist | All versions | 0.9.2 |
vanilla/safecurl Packagist | All versions | 0.9.2 |
Products include Safecurl Project Safecurl.
How do I fix CVE-2020-36474?
Upgrade vanilla/safecurl to 0.9.2 or later.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2020-36474 being exploited?
There is no known exploitation of CVE-2020-36474 in the wild and no public exploit code.
Sources
Also known as GHSA-x2xg-6wcj-6xf9.