CVE-2021-1628 XML external entity in Mulesoft

Critical 9.8 Published 26 Mar 2021 Updated 3 Aug 2024

An XML External Entity vulnerability in MuleSoft runtime allows attackers to read sensitive files or cause denial of service.

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-2021-1628?

CVE-2021-1628 is a critical vulnerability in Mulesoft, published on 26 Mar 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

MuleSoft is aware of a XML External Entity (XXE) vulnerability affecting certain versions of a Mule runtime component that may affect both CloudHub and on-premise customers. Affected versions: Mule 4.x runtime released before February 2, 2021.

Weakness: CWE-611

Which versions are affected by CVE-2021-1628?

It affects 1 product.

Products include Salesforce Mule.

How do I fix CVE-2021-1628?

No fix has been published for CVE-2021-1628 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-1628 being exploited?

There is no known exploitation of CVE-2021-1628 in the wild and no public exploit code.

Sources

Also known as GHSA-79pr-23xj-fhhq.