CVE-2020-10991

Name: CVE-2020-10991
Creator: NVD / NIST
Published: 2020-03-27T00:15:11.31+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.25%

Last modified Jun 17, 2026

CVE-2020-10991 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Mulesoft APIkit through 1.3.0 allows XXE because of validation/RestXmlSchemaValidator.java. EPSS estimates a 1.25% chance of exploitation in the next 30 days.

Description

Mulesoft APIkit through 1.3.0 allows XXE because of validation/RestXmlSchemaValidator.java

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.25%

65.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-611

Affected Software

Vendor	Product	Versions
Mulesoft	Aplkit	<= 1.3.0

References

https://github.com/mulesoft/apikit/issues/547Exploit, Third Party Advisory
https://github.com/mulesoft/apikit/issues/547Exploit, Third Party Advisory

Timeline

Published: Mar 27, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-10991?

Mulesoft APIkit through 1.3.0 allows XXE because of validation/RestXmlSchemaValidator.java

How severe is CVE-2020-10991?

CVE-2020-10991 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.25% probability of exploitation in the next 30 days.

How do I fix CVE-2020-10991?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-10991?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST