CVE-2020-0543

Name: CVE-2020-0543
Creator: NVD / NIST
Published: 2020-06-15T14:15:11.207+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.54%

Last modified Jun 17, 2026

CVE-2020-0543 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Incomplete cleanup from specific special register read operations in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.. EPSS estimates a 0.54% chance of exploitation in the next 30 days.

Description

Incomplete cleanup from specific special register read operations in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.54%

41.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-459

Affected Software

Vendor	Product	Versions
Intel	Celeron 1000m	All versions
Intel	Celeron 1005m	All versions
Intel	Celeron 1007u	All versions
Intel	Celeron 1017u	All versions
Intel	Celeron 1019y	All versions
Intel	Celeron 1020e	All versions
Intel	Celeron 1020m	All versions
Intel	Celeron 1037u	All versions
Intel	Celeron 1047ue	All versions
Intel	Celeron 2955u	All versions
Intel	Celeron 2957u	All versions
Intel	Celeron 2970m	All versions
Intel	Celeron 2980u	All versions
Intel	Celeron 2981u	All versions
Intel	Celeron 3755u	All versions
Intel	Celeron 3765u	All versions
Intel	Celeron 3855u	All versions
Intel	Celeron 3865u	All versions
Intel	Celeron 3955u	All versions
Intel	Celeron 3965u	All versions
Intel	Celeron 3965y	All versions
Intel	Celeron 5305u	All versions
Intel	Celeron 725c	All versions
Intel	Celeron 927ue	All versions
Intel	Celeron G1610	All versions
Intel	Celeron G1610t	All versions
Intel	Celeron G1620	All versions
Intel	Celeron G1620t	All versions
Intel	Celeron G1630	All versions
Intel	Celeron G1820	All versions
Intel	Celeron G1820t	All versions
Intel	Celeron G1830	All versions
Intel	Celeron G1840	All versions
Intel	Celeron G1840t	All versions
Intel	Celeron G1850	All versions
Intel	Celeron G3900	All versions
Intel	Celeron G3900t	All versions
Intel	Celeron G3900te	All versions
Intel	Celeron G3902e	All versions
Intel	Celeron G3920	All versions
Intel	Celeron G3920t	All versions
Intel	Celeron G3930e	All versions
Intel	Celeron G3930te	All versions
Intel	Celeron G3940	All versions
Intel	Celeron G4900	All versions
Intel	Celeron G4900t	All versions
Intel	Celeron G4920	All versions
Intel	Celeron G4930	All versions
Intel	Celeron G4950	All versions
Intel	Core 4205u	All versions

Showing 50 of 702 affected configurations. See NVD for the full list.

References

http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00025.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00024.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00031.htmlMailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/07/14/5Mailing List, Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-534763.pdfThird Party Advisory
https://kc.mcafee.com/corporate/index?page=content&id=SB10318Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DT2VKDMQ3I37NBNJ256A2EXR7OJHXXKZ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GRFC7UAPKAFFH5WX3AMDUBVHLKYQA2NZ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NQZMOSHLTBBIECENNXA6M7DN5FEED4KI/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T5OUM24ZC43G4IDT3JUCIHJTSDXJSK6Y/
https://usn.ubuntu.com/4385-1/Third Party Advisory
https://usn.ubuntu.com/4387-1/Third Party Advisory
https://usn.ubuntu.com/4388-1/Third Party Advisory
https://usn.ubuntu.com/4389-1/Third Party Advisory
https://usn.ubuntu.com/4390-1/Third Party Advisory
https://usn.ubuntu.com/4391-1/Third Party Advisory
https://usn.ubuntu.com/4392-1/Third Party Advisory
https://usn.ubuntu.com/4393-1/Third Party Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00320.htmlVendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00025.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00024.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00031.htmlMailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/07/14/5Mailing List, Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-534763.pdfThird Party Advisory
https://kc.mcafee.com/corporate/index?page=content&id=SB10318Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DT2VKDMQ3I37NBNJ256A2EXR7OJHXXKZ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GRFC7UAPKAFFH5WX3AMDUBVHLKYQA2NZ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NQZMOSHLTBBIECENNXA6M7DN5FEED4KI/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T5OUM24ZC43G4IDT3JUCIHJTSDXJSK6Y/
https://usn.ubuntu.com/4385-1/Third Party Advisory
https://usn.ubuntu.com/4387-1/Third Party Advisory
https://usn.ubuntu.com/4388-1/Third Party Advisory
https://usn.ubuntu.com/4389-1/Third Party Advisory
https://usn.ubuntu.com/4390-1/Third Party Advisory
https://usn.ubuntu.com/4391-1/Third Party Advisory
https://usn.ubuntu.com/4392-1/Third Party Advisory
https://usn.ubuntu.com/4393-1/Third Party Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00320.htmlVendor Advisory

Timeline

Published: Jun 15, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-0543?

Incomplete cleanup from specific special register read operations in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

How severe is CVE-2020-0543?

CVE-2020-0543 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.54% probability of exploitation in the next 30 days.

How do I fix CVE-2020-0543?

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-2020-0543?

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

Scan your code now

Source: NVD / NIST