CVE-2021-29140

Name: CVE-2021-29140
Creator: NVD / NIST
Published: 2021-04-29T13:15:08.36+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.2/10EPSS 1.57%

Last modified Jun 17, 2026

CVE-2021-29140 is a high-severity vulnerability rated 8.2/10 on the CVSS scale. A remote XML external entity (XXE) vulnerability was discovered in Aruba ClearPass Policy Manager version(s): Prior to 6.9.5, 6.8.9, 6.7.14-HF1. Aruba has released patches for Aruba ClearPass Policy Manager that address this security vulnerability.. EPSS estimates a 1.57% chance of exploitation in the next 30 days.

Description

A remote XML external entity (XXE) vulnerability was discovered in Aruba ClearPass Policy Manager version(s): Prior to 6.9.5, 6.8.9, 6.7.14-HF1. Aruba has released patches for Aruba ClearPass Policy Manager that address this security vulnerability.

Metrics

CVSS 3.1

8.2/10

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

EPSS Probability

1.57%

72.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-611

Affected Software

Vendor	Product	Versions
Arubanetworks	Clearpass	>= 6.7.0, < 6.7.13
Arubanetworks	Clearpass	>= 6.8.0, < 6.8.4

References

https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2021-009.txtVendor Advisory
https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2021-009.txtVendor Advisory

Timeline

Published: Apr 29, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-29140?

How severe is CVE-2021-29140?

CVE-2021-29140 has a CVSS score of 8.2/10 (HIGH severity). The EPSS model estimates a 1.57% probability of exploitation in the next 30 days.

How do I fix CVE-2021-29140?

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-2021-29140?

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

Scan your code now

Source: NVD / NIST