CVE-2020-16017

mediumpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.027 · 86 %ileEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV

Likely / severe?

2.73% (86th) EPSS

CVSS 6.8 · medium

Is it mine?

37 products

Check your exposure

Who says so?

7 sources

cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

added 2021-11-03remediate by 2022-05-03

required action Apply updates per vendor instructions.

EPSS · scored 2026-10-27

Google Chrome Use-After-Free Vulnerability

Use after free in site isolation in Google Chrome prior to 86.0.4240.198 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

Fixedchromium-browser-0:86.0.4240.198-1.el6_10.i686 as a component of Red Hat Enterprise Linux Desktop Supplementary (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Chromium must be restarted for the changes to take effect.
https://access.redhat.com/errata/RHSA-2020:5165
Fixedchromium-browser-0:86.0.4240.198-1.el6_10.i686 as a component of Red Hat Enterprise Linux Server Supplementary (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Chromium must be restarted for the changes to take effect.
https://access.redhat.com/errata/RHSA-2020:5165
Fixedchromium-browser-0:86.0.4240.198-1.el6_10.i686 as a component of Red Hat Enterprise Linux Workstation Supplementary (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Chromium must be restarted for the changes to take effect.
https://access.redhat.com/errata/RHSA-2020:5165
Fixedchromium-browser-0:86.0.4240.198-1.el6_10.x86_64 as a component of Red Hat Enterprise Linux Desktop Supplementary (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Chromium must be restarted for the changes to take effect.
https://access.redhat.com/errata/RHSA-2020:5165
Fixedchromium-browser-0:86.0.4240.198-1.el6_10.x86_64 as a component of Red Hat Enterprise Linux HPC Node Supplementary (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Chromium must be restarted for the changes to take effect.
https://access.redhat.com/errata/RHSA-2020:5165
Fixedchromium-browser-0:86.0.4240.198-1.el6_10.x86_64 as a component of Red Hat Enterprise Linux Server Supplementary (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Chromium must be restarted for the changes to take effect.
https://access.redhat.com/errata/RHSA-2020:5165
Fixedchromium-browser-0:86.0.4240.198-1.el6_10.x86_64 as a component of Red Hat Enterprise Linux Workstation Supplementary (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Chromium must be restarted for the changes to take effect.
https://access.redhat.com/errata/RHSA-2020:5165
Fixedchromium-browser-debuginfo-0:86.0.4240.198-1.el6_10.i686 as a component of Red Hat Enterprise Linux Desktop Supplementary (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Chromium must be restarted for the changes to take effect.
https://access.redhat.com/errata/RHSA-2020:5165
Fixedchromium-browser-debuginfo-0:86.0.4240.198-1.el6_10.i686 as a component of Red Hat Enterprise Linux Server Supplementary (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Chromium must be restarted for the changes to take effect.
https://access.redhat.com/errata/RHSA-2020:5165
Fixedchromium-browser-debuginfo-0:86.0.4240.198-1.el6_10.i686 as a component of Red Hat Enterprise Linux Workstation Supplementary (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Chromium must be restarted for the changes to take effect.
https://access.redhat.com/errata/RHSA-2020:5165
Fixedchromium-browser-debuginfo-0:86.0.4240.198-1.el6_10.x86_64 as a component of Red Hat Enterprise Linux Desktop Supplementary (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Chromium must be restarted for the changes to take effect.
https://access.redhat.com/errata/RHSA-2020:5165
Fixedchromium-browser-debuginfo-0:86.0.4240.198-1.el6_10.x86_64 as a component of Red Hat Enterprise Linux HPC Node Supplementary (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Chromium must be restarted for the changes to take effect.
https://access.redhat.com/errata/RHSA-2020:5165
Fixedchromium-browser-debuginfo-0:86.0.4240.198-1.el6_10.x86_64 as a component of Red Hat Enterprise Linux Server Supplementary (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Chromium must be restarted for the changes to take effect.
https://access.redhat.com/errata/RHSA-2020:5165
Fixedchromium-browser-debuginfo-0:86.0.4240.198-1.el6_10.x86_64 as a component of Red Hat Enterprise Linux Workstation Supplementary (v. 6)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Chromium must be restarted for the changes to take effect.
https://access.redhat.com/errata/RHSA-2020:5165
FixedConnected Components Workbenchcisa_csaf_ot
Rockwell Automation recommends users to update Connected Components Workbench to R21 and later.
https://compatibility.rockwellautomation.com/Pages/MultiProductCompareSelections.aspx?crumb=113&versions=62094,61582,61171,59954,57681,56704,55972,55834,55171,55113,54814,54367,54015,52536,52079,51735,51580,50987,50897,50616,50061
MitigationConnected Components Workbenchcisa_csaf_ot
Additionally, Rockwell Automation encourages customers to implement their suggested security best practices to minimize the risk of vulnerability.

cvss

Technical severity, 0–10. One row per scoring source.

9.6

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 6.8–9.6

v2.06.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 8.6 · impact 6.4

v3.19.6criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 6

v3.09.6criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:Hsecondary · CISA US

v3.17.3highAV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:Lsecondary · FSTEC (BDU) RU

v3.19.6criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:Hsecondary · ENISA EU

v3.19.6criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:Hsecondaryexploitability 2.8 · impact 6

v3.19.6criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · Red Hat Product Security US

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-416USprimaryCWE-416USCWE-416USCWE-416USCWE-416US

affected products (37)

Products and version ranges known to be affected.

Connected Components Workbench: < R21all versionscisa_csaf_otUS
Rockwell Automation Connected Components Workbench< R21cisa_csaf_otUS
Google Chromeunspecified → 86.0.4240.198enisa_euvdEU
Canonical Ltd. Ubuntu≤ 16.04 LTSfstec_bduRU
Canonical Ltd. Ubuntu≤ 18.04 LTSfstec_bduRU
Google Inc Google Chrome≤ 86.0.4240.198fstec_bduRU
Novell Inc. OpenSUSE Leap≤ 15.2fstec_bduRU
Novell Inc. OpenSUSE Leap≤ 15.1fstec_bduRU
Red Hat Inc. Red Hat Enterprise Linux≤ Workstation 6.0fstec_bduRU
Red Hat Inc. Red Hat Enterprise Linux≤ Server 6.0fstec_bduRU
Red Hat Inc. Red Hat Enterprise Linux≤ Desktop 6.0fstec_bduRU
АО «Концерн ВНИИНС» ОС ОН «Стрелец»≤ 16.01.2023fstec_bduRU
АО «НППКТ» ОСОН ОСнова Оnyx≤ 2.1fstec_bduRU
ООО «РусБИТех-Астра» Astra Linux Common Edition≤ 2.12 «Орёл»fstec_bduRU
ООО «РусБИТех-Астра» Astra Linux Special Edition≤ 1.6 «Смоленск»fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 9fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 8fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 10fstec_bduRU
google chrome< 86.0.4240.198nvdUScpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
NuGet CefSharp.Common< 86.0.241osvUSpkg:nuget/CefSharp.Common

showing 20 of 37

advisories (3)

Vendor and ecosystem advisories describing this.

RHSA-2020:5165Red Hat Security Advisory: chromium-browser security update2020-11-23csaf · redhat_csafUS
An update for chromium-browser is now available for Red Hat Enterprise Linux 6 Supplementary. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
GHSA-gvqv-779r-4jgpUse after free in CefSharp2020-11-27ghsa · osvUS
CVE-2020-16017: Use after free in site isolation - https://chromereleases.googleblog.com/2020/11/stable-channel-update-for-desktop_11.html - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16017 Google is aware of reports that exploits for CVE-2020-16013 and CVE-2020-16017 exist in the wild. There is currently little to no public information on the issue other than it has been flagged as `High` severity.
ICSA-23-264-05Rockwell Automation Connected Components Workbench2023-09-21icsa · cisa_csaf_otUS
Successful exploitation of these vulnerabilities could allow an attacker to exploit heap corruption via a crafted HTML.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cisa_csaf_ot nvd osv redhat_csaf NVD CVE.org MITRE

published 2021-01-08modified 2026-06-17

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references (14)

External citations — patches, advisories, analysis.

scry

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