CVE-2020-12327

Name: CVE-2020-12327
Creator: NVD / NIST
Published: 2020-11-12T19:15:13.347+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.4/10EPSS 0.31%

Last modified Jun 17, 2026

CVE-2020-12327 is a medium-severity vulnerability rated 4.4/10 on the CVSS scale. Insecure default variable initialization in some Intel(R) Thunderbolt(TM) DCH drivers for Windows* before version 72 may allow a privileged user to potentially enable information disclosure via local access.. EPSS estimates a 0.31% chance of exploitation in the next 30 days.

Description

Insecure default variable initialization in some Intel(R) Thunderbolt(TM) DCH drivers for Windows* before version 72 may allow a privileged user to potentially enable information disclosure via local access.

Metrics

CVSS 3.1

4.4/10

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

EPSS Probability

0.31%

22.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-1188

Affected Software

Vendor	Product	Versions
Intel	Thunderbolt Dch Driver	< 72

References

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00422Vendor Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00422Vendor Advisory

Timeline

Published: Nov 12, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-12327?

How severe is CVE-2020-12327?

CVE-2020-12327 has a CVSS score of 4.4/10 (MEDIUM severity). The EPSS model estimates a 0.31% probability of exploitation in the next 30 days.

How do I fix CVE-2020-12327?

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-2020-12327?

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

Scan your code now

Source: NVD / NIST