Is CVE-2020-0543 in the CISA KEV catalog?

No. CVE-2020-0543 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-0543?

CVE-2020-0543 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2020-0543?

CVE-2020-0543 has an EPSS score of 0.54% (41th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-0543?

Upgrade intel-microcode on debian 11 to 3.20200609.1 or later. Fixes are available for 150 affected products.

CVE & CISA-KEV Catalog

CVE-2020-0543

MEDIUM

5.5

CVSS v3

NVD

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.

CWE-459

How to fix

Remediation Available

intel-microcodeDebian

Fixed in:3.20200609.1CVE-2020-0543

awsUbuntu

Fixed in:4.4.0-1098LSN-0068-1

Fixed in:4.15.0-1054LSN-0068-1

generic-4.15Ubuntu

Fixed in:4.15.0-69LSN-0068-1

generic-4.4Ubuntu

Fixed in:4.4.0-168LSN-0068-1

intel-microcodeUbuntu

Fixed in:3.20200609.0ubuntu0.14.04.0USN-4385-1

Fixed in:3.20200609.0ubuntu0.16.04.0USN-4385-1

Fixed in:3.20200609.0ubuntu0.18.04.0USN-4385-1

Fixed in:3.20200609.0ubuntu0.20.04.0USN-4385-1

libxendevicemodel1Ubuntu

Fixed in:4.11.3+24-g14b62ab3e5-1ubuntu2.3USN-5617-1

libxenevtchn1Ubuntu

Fixed in:4.11.3+24-g14b62ab3e5-1ubuntu2.3USN-5617-1

libxengnttab1Ubuntu

Fixed in:4.11.3+24-g14b62ab3e5-1ubuntu2.3USN-5617-1

libxenmisc4.11Ubuntu

Fixed in:4.11.3+24-g14b62ab3e5-1ubuntu2.3USN-5617-1

linuxUbuntu

Fixed in:3.13.0-180.231USN-4392-1

Fixed in:4.4.0-184.214USN-4391-1

Fixed in:4.15.0-106.107USN-4390-1

Fixed in:5.4.0-37.41USN-4389-1

linux-awsUbuntu

Fixed in:4.4.0-1073.77USN-4391-1

Fixed in:4.4.0-1109.120USN-4391-1

Fixed in:4.15.0-1073.77USN-4390-1

Fixed in:5.4.0-1015.15USN-4389-1

linux-aws-5.3Ubuntu

Fixed in:5.3.0-1023.25~18.04.1USN-4387-1

linux-aws-hweUbuntu

Fixed in:4.15.0-1073.77~16.04.1USN-4390-1

linux-azureUbuntu

Fixed in:4.15.0-1089.99~14.04.1USN-4390-1

Fixed in:4.15.0-1089.99~16.04.1USN-4390-1

Fixed in:5.4.0-1016.16USN-4389-1

linux-azure-4.15Ubuntu

Fixed in:4.15.0-1089.99USN-4390-1

linux-azure-5.3Ubuntu

Fixed in:5.3.0-1028.29~18.04.1USN-4387-1

linux-gcpUbuntu

Fixed in:4.15.0-1077.87~16.04.1USN-4390-1

Fixed in:5.4.0-1015.15USN-4389-1

linux-gcp-5.3Ubuntu

Fixed in:5.3.0-1026.28~18.04.1USN-4387-1

linux-gke-4.15Ubuntu

Fixed in:4.15.0-1063.66USN-4390-1

linux-gke-5.0Ubuntu

Fixed in:5.0.0-1042.43USN-4388-1

linux-gke-5.3Ubuntu

Fixed in:5.3.0-1026.28~18.04.1USN-4387-1

linux-hweUbuntu

Fixed in:4.15.0-106.107~16.04.1USN-4390-1

Fixed in:5.3.0-59.53~18.04.1USN-4387-1

linux-image-3.13.0-180-genericUbuntu

Fixed in:3.13.0-180.231USN-4392-1

linux-image-3.13.0-180-generic-lpaeUbuntu

Fixed in:3.13.0-180.231USN-4392-1

linux-image-3.13.0-180-lowlatencyUbuntu

Fixed in:3.13.0-180.231USN-4392-1

linux-image-3.13.0-180-powerpc-e500Ubuntu

Fixed in:3.13.0-180.231USN-4392-1

linux-image-3.13.0-180-powerpc-e500mcUbuntu

Fixed in:3.13.0-180.231USN-4392-1

linux-image-3.13.0-180-powerpc-smpUbuntu

Fixed in:3.13.0-180.231USN-4392-1

linux-image-3.13.0-180-powerpc64-embUbuntu

Fixed in:3.13.0-180.231USN-4392-1

linux-image-3.13.0-180-powerpc64-smpUbuntu

Fixed in:3.13.0-180.231USN-4392-1

linux-image-4.15.0-1045-oracleUbuntu

Fixed in:4.15.0-1045.49~16.04.1USN-4390-1

Fixed in:4.15.0-1045.49USN-4390-1

linux-image-4.15.0-106-genericUbuntu

Fixed in:4.15.0-106.107~16.04.1USN-4390-1

Fixed in:4.15.0-106.107USN-4390-1

linux-image-4.15.0-106-generic-lpaeUbuntu

Fixed in:4.15.0-106.107~16.04.1USN-4390-1

Fixed in:4.15.0-106.107USN-4390-1

linux-image-4.15.0-106-lowlatencyUbuntu

Fixed in:4.15.0-106.107~16.04.1USN-4390-1

Fixed in:4.15.0-106.107USN-4390-1

linux-image-4.15.0-1063-gkeUbuntu

Fixed in:4.15.0-1063.66USN-4390-1

linux-image-4.15.0-1063-raspi2Ubuntu

Fixed in:4.15.0-1063.67USN-4390-1

linux-image-4.15.0-1067-kvmUbuntu

Fixed in:4.15.0-1067.68USN-4390-1

linux-image-4.15.0-1073-awsUbuntu

Fixed in:4.15.0-1073.77~16.04.1USN-4390-1

Fixed in:4.15.0-1073.77USN-4390-1

linux-image-4.15.0-1077-gcpUbuntu

Fixed in:4.15.0-1077.87~16.04.1USN-4390-1

linux-image-4.15.0-1080-snapdragonUbuntu

Fixed in:4.15.0-1080.87USN-4390-1

linux-image-4.15.0-1087-oemUbuntu

Fixed in:4.15.0-1087.97USN-4390-1

linux-image-4.15.0-1089-azureUbuntu

Fixed in:4.15.0-1089.99~14.04.1USN-4390-1

Fixed in:4.15.0-1089.99~16.04.1USN-4390-1

Fixed in:4.15.0-1089.99USN-4390-1

linux-image-4.4.0-1073-awsUbuntu

Fixed in:4.4.0-1073.77USN-4391-1

linux-image-4.4.0-1075-kvmUbuntu

Fixed in:4.4.0-1075.82USN-4391-1

linux-image-4.4.0-1109-awsUbuntu

Fixed in:4.4.0-1109.120USN-4391-1

linux-image-4.4.0-1134-raspi2Ubuntu

Fixed in:4.4.0-1134.143USN-4391-1

linux-image-4.4.0-1138-snapdragonUbuntu

Fixed in:4.4.0-1138.146USN-4391-1

linux-image-4.4.0-184-genericUbuntu

Fixed in:4.4.0-184.214~14.04.1USN-4391-1

Fixed in:4.4.0-184.214USN-4391-1

linux-image-4.4.0-184-generic-lpaeUbuntu

Fixed in:4.4.0-184.214~14.04.1USN-4391-1

Fixed in:4.4.0-184.214USN-4391-1

linux-image-4.4.0-184-lowlatencyUbuntu

Fixed in:4.4.0-184.214~14.04.1USN-4391-1

Fixed in:4.4.0-184.214USN-4391-1

linux-image-4.4.0-184-powerpc-e500mcUbuntu

Fixed in:4.4.0-184.214~14.04.1USN-4391-1

Fixed in:4.4.0-184.214USN-4391-1

linux-image-4.4.0-184-powerpc-smpUbuntu

Fixed in:4.4.0-184.214~14.04.1USN-4391-1

Fixed in:4.4.0-184.214USN-4391-1

linux-image-4.4.0-184-powerpc64-embUbuntu

Fixed in:4.4.0-184.214~14.04.1USN-4391-1

Fixed in:4.4.0-184.214USN-4391-1

linux-image-4.4.0-184-powerpc64-smpUbuntu

Fixed in:4.4.0-184.214~14.04.1USN-4391-1

Fixed in:4.4.0-184.214USN-4391-1

linux-image-5.0.0-1042-gkeUbuntu

Fixed in:5.0.0-1042.43USN-4388-1

linux-image-5.0.0-1059-oem-osp1Ubuntu

Fixed in:5.0.0-1059.64USN-4388-1

linux-image-5.3.0-1023-awsUbuntu

Fixed in:5.3.0-1023.25~18.04.1USN-4387-1

linux-image-5.3.0-1024-oracleUbuntu

Fixed in:5.3.0-1024.26~18.04.1USN-4387-1

linux-image-5.3.0-1026-gcpUbuntu

Fixed in:5.3.0-1026.28~18.04.1USN-4387-1

linux-image-5.3.0-1026-gkeUbuntu

Fixed in:5.3.0-1026.28~18.04.1USN-4387-1

linux-image-5.3.0-1026-raspi2Ubuntu

Fixed in:5.3.0-1026.28~18.04.1USN-4387-1

linux-image-5.3.0-1028-azureUbuntu

Fixed in:5.3.0-1028.29~18.04.1USN-4387-1

linux-image-5.3.0-59-genericUbuntu

Fixed in:5.3.0-59.53~18.04.1USN-4387-1

linux-image-5.3.0-59-generic-lpaeUbuntu

Fixed in:5.3.0-59.53~18.04.1USN-4387-1

linux-image-5.3.0-59-lowlatencyUbuntu

Fixed in:5.3.0-59.53~18.04.1USN-4387-1

linux-image-5.4.0-1012-raspiUbuntu

Fixed in:5.4.0-1012.12USN-4389-1

linux-image-5.4.0-1015-awsUbuntu

Fixed in:5.4.0-1015.15USN-4389-1

linux-image-5.4.0-1015-gcpUbuntu

Fixed in:5.4.0-1015.15USN-4389-1

linux-image-5.4.0-1015-kvmUbuntu

Fixed in:5.4.0-1015.15USN-4389-1

linux-image-5.4.0-1015-oracleUbuntu

Fixed in:5.4.0-1015.15USN-4389-1

linux-image-5.4.0-1016-azureUbuntu

Fixed in:5.4.0-1016.16USN-4389-1

linux-image-5.4.0-27-genericUbuntu

Fixed in:5.4.0-27.31USN-4389-1

linux-image-5.4.0-37-genericUbuntu

Fixed in:5.4.0-37.41USN-4389-1

linux-image-5.4.0-37-generic-lpaeUbuntu

Fixed in:5.4.0-37.41USN-4389-1

linux-image-5.4.0-37-lowlatencyUbuntu

Fixed in:5.4.0-37.41USN-4389-1

linux-image-awsUbuntu

Fixed in:4.4.0.1073.70USN-4391-1

Fixed in:4.4.0.1109.113USN-4391-1

Fixed in:5.3.0.1023.23USN-4387-1

Fixed in:5.4.0.1015.16USN-4389-1

linux-image-aws-hweUbuntu

Fixed in:4.15.0.1073.73USN-4390-1

linux-image-aws-lts-18.04Ubuntu

Fixed in:4.15.0.1073.76USN-4390-1

linux-image-azureUbuntu

Fixed in:4.15.0.1089.66USN-4390-1

Fixed in:4.15.0.1089.84USN-4390-1

Fixed in:5.3.0.1028.25USN-4387-1

Fixed in:5.4.0.1016.16USN-4389-1

linux-image-azure-edgeUbuntu

Fixed in:4.15.0.1089.84USN-4390-1

linux-image-azure-lts-18.04Ubuntu

Fixed in:4.15.0.1089.60USN-4390-1

linux-image-gcpUbuntu

Fixed in:4.15.0.1077.79USN-4390-1

Fixed in:5.3.0.1026.21USN-4387-1

Fixed in:5.4.0.1015.14USN-4389-1

linux-image-genericUbuntu

Fixed in:3.13.0.180.189USN-4392-1

Fixed in:4.4.0.184.190USN-4391-1

Fixed in:4.15.0.106.94USN-4390-1

Fixed in:5.4.0.37.40USN-4389-1

linux-image-generic-hwe-16.04Ubuntu

Fixed in:4.15.0.106.111USN-4390-1

linux-image-generic-hwe-18.04Ubuntu

Fixed in:5.3.0.59.113USN-4387-1

linux-image-generic-hwe-20.04Ubuntu

Fixed in:5.4.0.37.40USN-4389-1

linux-image-generic-lpaeUbuntu

Fixed in:3.13.0.180.189USN-4392-1

Fixed in:4.4.0.184.190USN-4391-1

Fixed in:4.15.0.106.94USN-4390-1

Fixed in:5.4.0.37.40USN-4389-1

linux-image-generic-lpae-hwe-16.04Ubuntu

Fixed in:4.15.0.106.111USN-4390-1

linux-image-generic-lpae-hwe-18.04Ubuntu

Fixed in:5.3.0.59.113USN-4387-1

linux-image-generic-lpae-hwe-20.04Ubuntu

Fixed in:5.4.0.37.40USN-4389-1

linux-image-generic-lpae-lts-xenialUbuntu

Fixed in:4.4.0.184.161USN-4391-1

linux-image-generic-lts-xenialUbuntu

Fixed in:4.4.0.184.161USN-4391-1

linux-image-gkeUbuntu

Fixed in:4.15.0.1077.79USN-4390-1

Fixed in:4.15.0.1063.65USN-4390-1

Fixed in:5.4.0.1015.14USN-4389-1

linux-image-gke-4.15Ubuntu

Fixed in:4.15.0.1063.65USN-4390-1

linux-image-gke-5.0Ubuntu

Fixed in:5.0.0.1042.27USN-4388-1

linux-image-gke-5.3Ubuntu

Fixed in:5.3.0.1026.13USN-4387-1

linux-image-gkeop-5.3Ubuntu

Fixed in:5.3.0.59.113USN-4387-1

linux-image-highbankUbuntu

Fixed in:3.13.0.180.189USN-4392-1

linux-image-kvmUbuntu

Fixed in:4.4.0.1075.73USN-4391-1

Fixed in:4.15.0.1067.63USN-4390-1

Fixed in:5.4.0.1015.14USN-4389-1

linux-image-lowlatencyUbuntu

Fixed in:3.13.0.180.189USN-4392-1

Fixed in:4.4.0.184.190USN-4391-1

Fixed in:4.15.0.106.94USN-4390-1

Fixed in:5.4.0.37.40USN-4389-1

linux-image-lowlatency-hwe-16.04Ubuntu

Fixed in:4.15.0.106.111USN-4390-1

linux-image-lowlatency-hwe-18.04Ubuntu

Fixed in:5.3.0.59.113USN-4387-1

linux-image-lowlatency-hwe-20.04Ubuntu

Fixed in:5.4.0.37.40USN-4389-1

linux-image-lowlatency-lts-xenialUbuntu

Fixed in:4.4.0.184.161USN-4391-1

linux-image-oemUbuntu

Fixed in:4.15.0.106.111USN-4390-1

Fixed in:4.15.0.1087.91USN-4390-1

Fixed in:5.4.0.37.40USN-4389-1

linux-image-oem-osp1Ubuntu

Fixed in:5.0.0.1059.58USN-4388-1

Fixed in:5.4.0.37.40USN-4389-1

linux-image-omapUbuntu

Fixed in:3.13.0.180.189USN-4392-1

linux-image-oracleUbuntu

Fixed in:4.15.0.1045.38USN-4390-1

Fixed in:5.3.0.1024.22USN-4387-1

Fixed in:5.4.0.1015.14USN-4389-1

linux-image-oracle-lts-18.04Ubuntu

Fixed in:4.15.0.1045.54USN-4390-1

linux-image-powerpc-e500Ubuntu

Fixed in:3.13.0.180.189USN-4392-1

linux-image-powerpc-e500mcUbuntu

Fixed in:3.13.0.180.189USN-4392-1

Fixed in:4.4.0.184.190USN-4391-1

linux-image-powerpc-e500mc-lts-xenialUbuntu

Fixed in:4.4.0.184.161USN-4391-1

linux-image-powerpc-smpUbuntu

Fixed in:3.13.0.180.189USN-4392-1

Fixed in:4.4.0.184.190USN-4391-1

linux-image-powerpc-smp-lts-xenialUbuntu

Fixed in:4.4.0.184.161USN-4391-1

linux-image-powerpc64-embUbuntu

Fixed in:3.13.0.180.189USN-4392-1

Fixed in:4.4.0.184.190USN-4391-1

linux-image-powerpc64-emb-lts-xenialUbuntu

Fixed in:4.4.0.184.161USN-4391-1

linux-image-powerpc64-smpUbuntu

Fixed in:3.13.0.180.189USN-4392-1

Fixed in:4.4.0.184.190USN-4391-1

linux-image-powerpc64-smp-lts-xenialUbuntu

Fixed in:4.4.0.184.161USN-4391-1

linux-image-raspiUbuntu

Fixed in:5.4.0.1012.12USN-4389-1

linux-image-raspi2Ubuntu

Fixed in:4.4.0.1134.134USN-4391-1

Fixed in:4.15.0.1063.61USN-4390-1

Fixed in:5.4.0.1012.12USN-4389-1

linux-image-raspi2-hwe-18.04Ubuntu

Fixed in:5.3.0.1027.16USN-4387-1

linux-image-serverUbuntu

Fixed in:3.13.0.180.189USN-4392-1

linux-image-snapdragonUbuntu

Fixed in:4.4.0.1138.130USN-4391-1

Fixed in:4.15.0.1080.83USN-4390-1

linux-image-snapdragon-hwe-18.04Ubuntu

Fixed in:5.3.0.59.113USN-4387-1

linux-image-virtualUbuntu

Fixed in:3.13.0.180.189USN-4392-1

Fixed in:4.4.0.184.190USN-4391-1

Fixed in:4.15.0.106.94USN-4390-1

Fixed in:5.4.0.27.34USN-4389-1

linux-image-virtual-hwe-16.04Ubuntu

Fixed in:4.15.0.106.111USN-4390-1

linux-image-virtual-hwe-18.04Ubuntu

Fixed in:5.3.0.59.113USN-4387-1

linux-image-virtual-hwe-20.04Ubuntu

Fixed in:5.4.0.27.34USN-4389-1

linux-image-virtual-lts-xenialUbuntu

Fixed in:4.4.0.184.161USN-4391-1

linux-kvmUbuntu

Fixed in:4.4.0-1075.82USN-4391-1

Fixed in:4.15.0-1067.68USN-4390-1

Fixed in:5.4.0-1015.15USN-4389-1

linux-lts-xenialUbuntu

Fixed in:4.4.0-184.214~14.04.1USN-4391-1

linux-oemUbuntu

Fixed in:4.15.0-1087.97USN-4390-1

linux-oem-osp1Ubuntu

Fixed in:5.0.0-1059.64USN-4388-1

linux-oracleUbuntu

Fixed in:4.15.0-1045.49~16.04.1USN-4390-1

Fixed in:4.15.0-1045.49USN-4390-1

Fixed in:5.4.0-1015.15USN-4389-1

linux-oracle-5.3Ubuntu

Fixed in:5.3.0-1024.26~18.04.1USN-4387-1

linux-raspiUbuntu

Fixed in:5.4.0-1012.12USN-4389-1

linux-raspi2Ubuntu

Fixed in:4.4.0-1134.143USN-4391-1

Fixed in:4.15.0-1063.67USN-4390-1

linux-raspi2-5.3Ubuntu

Fixed in:5.3.0-1027.29~18.04.1USN-4387-1

linux-riscvUbuntu

Fixed in:5.4.0-27.31USN-4389-1

linux-snapdragonUbuntu

Fixed in:4.4.0-1138.146USN-4391-1

Fixed in:4.15.0-1080.87USN-4390-1

lowlatency-4.15Ubuntu

Fixed in:4.15.0-69LSN-0068-1

lowlatency-4.4Ubuntu

Fixed in:4.4.0-168LSN-0068-1

oemUbuntu

Fixed in:4.15.0-1063LSN-0068-1

xenUbuntu

Fixed in:4.11.3+24-g14b62ab3e5-1ubuntu2.3USN-5617-1

xen-hypervisor-4.11-amd64Ubuntu

Fixed in:4.11.3+24-g14b62ab3e5-1ubuntu2.3USN-5617-1

xen-hypervisor-4.11-arm64Ubuntu

Fixed in:4.11.3+24-g14b62ab3e5-1ubuntu2.3USN-5617-1

xen-hypervisor-4.11-armhfUbuntu

Fixed in:4.11.3+24-g14b62ab3e5-1ubuntu2.3USN-5617-1

xen-utils-4.11Ubuntu

Fixed in:4.11.3+24-g14b62ab3e5-1ubuntu2.3USN-5617-1

xen-utils-commonUbuntu

Fixed in:4.11.3+24-g14b62ab3e5-1ubuntu2.3USN-5617-1

xenstore-utilsUbuntu

Fixed in:4.11.3+24-g14b62ab3e5-1ubuntu2.3USN-5617-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.54%probability of exploitation in 30 days

41stpercentile

Moderate risk: more likely to be exploited than 41% of all known CVEs.

References

Vendor Advisory1

intel.com

Third-Party Advisory14

Other references4

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.