CVE-2021-1628

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-03-26 · updated 2026-06-17
Weakness: CWE-611

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.

Affected products

Mulesoft: from 4.0.0 through 4.2.2

References

https://help.salesforce.com/articleView?id=000357384&type=1&mode=1
https://help.salesforce.com/articleView?id=000357384&type=1&mode=1

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