medium 5.5

CVE-2020-8696 json

Improper removal of sensitive information before storage or transfer in some Intel(R) Processors may allow an authenticated user to potenti…

published 2020-11-12 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-29544

cvss: 5.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 38%
public exploits: 0; none known

Improper removal of sensitive information before storage or transfer in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

Patch / fix

distros 7

debian ubuntu red hat suse opensuse rocky linux arch linux

intel-microcode Debian 14, Debian 13, Debian 12 3.20201110.1

debian advisories DEBIAN-CVE-2020-8696

intel-microcode Ubuntu 16.04 LTS 3.20201110.0ubuntu0.16.04.1
intel-microcode Ubuntu 18.04 LTS 3.20210216.0ubuntu0.18.04.1
intel-microcode Ubuntu 20.04 LTS 3.20210216.0ubuntu0.20.04.1
intel-microcode Ubuntu Pro 14.04 LTS 3.20201110.0ubuntu0.14.04.1

ubuntu advisories UBUNTU-CVE-2020-8696

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

microcode_ctl RHEL 7 2:2.1-73.11.el7_9
microcode_ctl RHEL 8 4:20210216-1.20210608.1.el8_4
microcode_ctl RHEL 8 4:20200609-2.20210216.1.el8_3
microcode_ctl RHEL 6 2:1.17-33.31.el6_10
microcode_ctl RHEL 7 2:2.1-73.8.el7_9
microcode_ctl RHEL 8 4:20200609-2.20201027.1.el8_3
microcode_ctl RHEL 7 2:2.1-73.2.el7_9
microcode_ctl RHEL 7.3 AUS 2:2.1-16.42.el7_3

red hat advisories RHSA-2021:3322 RHSA-2021:3323 RHSA-2021:3317 RHSA-2021:3364 RHSA-2021:3255 RHSA-2021:3176

ucode-intel SLES for SAP 12 SP4, SLES for SAP 12 SP3, SLES for SAP 12 SP2 +12 more 20201118-13.81.1
ucode-intel SLES for SAP 12 SP5, SLES 12 SP5 20201110-3.23.1
ucode-intel SLES for SAP 15, SLE High Performance Computing 15-LTSS, SLE High Performance Computing 15-ESPOS 20201110-3.55.1
ucode-intel SLE Module for Basesystem 15 SP2 20201110-2.10.1
ucode-intel SLE Module for Basesystem 15 SP1 20201110-3.39.1
microcode_ctl SLES 11 SP4-LTSS, SLE Point of Sale 11 SP3 1.17-102.83.62.1

suse advisories SUSE-SU-2020:3514-1 SUSE-SU-2020:3457-1 SUSE-SU-2020:3374-1 SUSE-SU-2020:3373-1 SUSE-SU-2020:3372-1 SUSE-SU-2020:14546-1

ucode-intel openSUSE Tumbleweed 20210608-1.2
ucode-intel openSUSE Leap 15.1 20201118-lp151.2.33.1
ucode-intel openSUSE Leap 15.2 20201118-lp152.2.8.1

opensuse advisories openSUSE-SU-2024:11478-1 openSUSE-SU-2020:2098-1 openSUSE-SU-2020:2075-1

microcode_ctl Rocky Linux 8 4:20210216-1.20210608.1.el8_4

rocky linux advisories RLSA-2021:3027

intel-ucode Arch Linux 20210216-1

arch linux advisories AVG-1588

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2020-8696 updated 2026-11-07 cvss 2.8

hw: Vector Register Leakage-Active

Red Hat Enterprise Linux 5 microcode_ctl
affected: no fix planned “Out of support scope”
Red Hat Enterprise Linux BaseOS (v. 8) microcode_ctl 20200609-2.20201027.1.el8_3, microcode_ctl 20200609-2.20210216.1.el8_3, microcode_ctl 20210216-1.20210608.1.el8_4
fixed: vendor fix RHSA-2020:5085
Red Hat Enterprise Linux BaseOS E4S (v. 8.0) microcode_ctl 20180807a-2.20201112.1.el8_0
fixed: vendor fix RHSA-2020:5186
Red Hat Enterprise Linux BaseOS EUS (v. 8.1) microcode_ctl 20190618-1.20201112.1.el8_1, microcode_ctl 20190618-1.20210216.1.el8_1, microcode_ctl 20190618-1.20210608.1.el8_1
fixed: vendor fix RHSA-2020:5369
Red Hat Enterprise Linux BaseOS EUS (v. 8.2) microcode_ctl 20191115-4.20201112.1.el8_2, microcode_ctl 20191115-4.20210216.1.el8_2, microcode_ctl 20191115-4.20210608.1.el8_2
fixed: vendor fix RHSA-2020:5185
Red Hat Enterprise Linux Client (v. 7) microcode_ctl 2.1-73.2.el7_9, microcode_ctl 2.1-73.8.el7_9, microcode_ctl 2.1-73.11.el7_9
fixed: vendor fix RHSA-2021:3028
Red Hat Enterprise Linux ComputeNode EUS (v. 7.6) microcode_ctl 2.1-47.18.el7_6, microcode_ctl 2.1-47.20.el7_6
fixed: vendor fix RHSA-2020:5181
Red Hat Enterprise Linux ComputeNode EUS (v. 7.7) microcode_ctl 2.1-53.13.el7_7, microcode_ctl 2.1-53.15.el7_7, microcode_ctl 2.1-53.18.el7_7
fixed: vendor fix RHSA-2020:5190

show 18 more

Red Hat Enterprise Linux Desktop (v. 6) microcode_ctl 1.17-33.31.el6_10 Red Hat Enterprise Linux HPC Node (v. 6) microcode_ctl 1.17-33.31.el6_10 Red Hat Enterprise Linux Server (v. 6) microcode_ctl 1.17-33.31.el6_10
fixed: vendor fix RHSA-2020:5084
Red Hat Enterprise Linux Server (v. 7) microcode_ctl 2.1-73.2.el7_9, microcode_ctl 2.1-73.8.el7_9, microcode_ctl 2.1-73.11.el7_9
fixed: vendor fix RHSA-2021:3028
Red Hat Enterprise Linux Server AUS (v. 6.5) microcode_ctl 1.17-17.34.el6_5
fixed: vendor fix RHSA-2020:5189
Red Hat Enterprise Linux Server AUS (v. 6.6) microcode_ctl 1.17-19.32.el6_6
fixed: vendor fix RHSA-2020:5184
Red Hat Enterprise Linux Server AUS (v. 7.2) microcode_ctl 2.1-12.34.el7_2, microcode_ctl 2.1-12.36.el7_2, microcode_ctl 2.1-12.39.el7_2
fixed: vendor fix RHSA-2020:5188
Red Hat Enterprise Linux Server AUS (v. 7.3) microcode_ctl 2.1-16.37.el7_3, microcode_ctl 2.1-16.39.el7_3, microcode_ctl 2.1-16.42.el7_3
fixed: vendor fix RHSA-2020:5183
Red Hat Enterprise Linux Server AUS (v. 7.4) microcode_ctl 2.1-22.36.el7_4, microcode_ctl 2.1-22.38.el7_4, microcode_ctl 2.1-22.41.el7_4
fixed: vendor fix RHSA-2020:5182
Red Hat Enterprise Linux Server AUS (v. 7.6) microcode_ctl 2.1-47.23.el7_6
fixed: vendor fix RHSA-2021:3317
Red Hat Enterprise Linux Server E4S (v. 7.3) microcode_ctl 2.1-16.37.el7_3
fixed: vendor fix RHSA-2020:5183
Red Hat Enterprise Linux Server E4S (v. 7.4) microcode_ctl 2.1-22.36.el7_4, microcode_ctl 2.1-22.38.el7_4, microcode_ctl 2.1-22.41.el7_4
fixed: vendor fix RHSA-2020:5182
Red Hat Enterprise Linux Server E4S (v. 7.6) microcode_ctl 2.1-47.23.el7_6
fixed: vendor fix RHSA-2021:3317
Red Hat Enterprise Linux Server EUS (v. 7.6) microcode_ctl 2.1-47.18.el7_6, microcode_ctl 2.1-47.20.el7_6
fixed: vendor fix RHSA-2020:5181
Red Hat Enterprise Linux Server EUS (v. 7.7) microcode_ctl 2.1-53.13.el7_7, microcode_ctl 2.1-53.15.el7_7, microcode_ctl 2.1-53.18.el7_7
fixed: vendor fix RHSA-2020:5190
Red Hat Enterprise Linux Server TUS (v. 7.3) microcode_ctl 2.1-16.37.el7_3
fixed: vendor fix RHSA-2020:5183
Red Hat Enterprise Linux Server TUS (v. 7.4) microcode_ctl 2.1-22.36.el7_4, microcode_ctl 2.1-22.38.el7_4, microcode_ctl 2.1-22.41.el7_4
fixed: vendor fix RHSA-2020:5182
Red Hat Enterprise Linux Server TUS (v. 7.6) microcode_ctl 2.1-47.23.el7_6
fixed: vendor fix RHSA-2021:3317
Red Hat Enterprise Linux Workstation (v. 6) microcode_ctl 1.17-33.31.el6_10
fixed: vendor fix RHSA-2020:5084
Red Hat Enterprise Linux Workstation (v. 7) microcode_ctl 2.1-73.2.el7_9, microcode_ctl 2.1-73.8.el7_9, microcode_ctl 2.1-73.11.el7_9
fixed: vendor fix RHSA-2021:3028

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.44% chance of exploitation in the next 30 days, higher than 38% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	2.1	AV:L/AC:L/Au:N/C:P/I:N/A:N

Affected products

n/a Intel(R) Processors

Classification

Weakness

CWE-212 Improper Removal of Sensitive Information Before Storage or Transfer

References

lists.fedoraproject.org /archives/list/package-announce%40lists.fedoraproject.org/message/MAAGIK5CXKBPGY3R4UR5VO56M7MKLZ43/
vendor-advisory
intel.com /content/www/us/en/security-center/advisory/intel-sa-00381
vendor-advisory
security.netapp.com /advisory/ntap-20201113-0006/
third-party-advisory
lists.debian.org /debian-lts-announce/2021/02/msg00007.html
mailing-list, third-party-advisory

Sources

CVE List CVE-2020-8696
NVD CVE-2020-8696

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary