CVE-2020-12291

Name: CVE-2020-12291
Creator: NVD / NIST
Published: 2021-06-09T19:15:08.407+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.22%

Last modified Jun 17, 2026

CVE-2020-12291 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Uncontrolled resource consumption in some Intel(R) Thunderbolt(TM) controllers may allow an authenticated user to potentially enable denial of service via local access.. EPSS estimates a 0.22% chance of exploitation in the next 30 days.

Description

Uncontrolled resource consumption in some Intel(R) Thunderbolt(TM) controllers may allow an authenticated user to potentially enable denial of service via local access.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.22%

12.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-400

Affected Software

Vendor	Product	Versions
Intel	Jhl6240 Thunderbolt 3 Firmware	< 21
Intel	Jhl6340 Thunderbolt 3 Firmware	< 46
Intel	Jhl6540 Thunderbolt 3 Firmware	< 46
Intel	Jhl7040 Thunderbolt 3 Retimer Firmware	< 22
Intel	Jhl7340 Thunderbolt 3 Firmware	< 60
Intel	Jhl7440 Thunderbolt 3 Firmware	< 60
Intel	Jhl7540 Thunderbolt 3 Firmware	< 60
Intel	Jhl8010r Usb Retimer Firmware	< 41
Intel	Dsl5320 Thunderbolt 2 Firmware	All versions
Intel	Dsl5520 Thunderbolt 2 Firmware	All versions
Intel	Dsl6340 Thunderbolt 3 Firmware	All versions
Intel	Dsl6540 Thunderbolt 3 Firmware	All versions
Intel	Jhl8040r Thunderbolt 4 Retimer Firmware	< 41

References

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00401.htmlVendor Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00401.htmlVendor Advisory

Timeline

Published: Jun 9, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-12291?

Uncontrolled resource consumption in some Intel(R) Thunderbolt(TM) controllers may allow an authenticated user to potentially enable denial of service via local access.

How severe is CVE-2020-12291?

CVE-2020-12291 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.22% probability of exploitation in the next 30 days.

How do I fix CVE-2020-12291?

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-2020-12291?

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

Scan your code now

Source: NVD / NIST