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CVE-2020-15959

Insufficient policy enforcement in networking in Google Chrome prior to 85.0.4183.102 allowed an...

4.3 MediumFix available

Insufficient policy enforcement in networking in Google Chrome prior to 85.0.4183.102 allowed an attacker who convinced the user to enable logging to obtain potentially sensitive information from process memory via social engineering.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
Low
Integrity
None
Availability
None

Exploit likelihood

1.24%Up 0.3 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 4.3

Insufficient policy enforcement in networking in Google Chrome prior to 85.0.4183.102 allowed an attacker who convinced the user to enable logging to obtain potentially sensitive information from process memory via social engineering.

Record
CVE-2020-15959
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:P/I:N/A:N
Updated
2026-11-02
CVE List No score

Insufficient policy enforcement in networking in Google Chrome prior to 85.0.4183.102 allowed an attacker who convinced the user to enable logging to obtain potentially sensitive information from process memory via social engineering.

Record
CVE-2020-15959
Updated
2026-11-02
EUVDEUVD-2020-7930 No score

Insufficient policy enforcement in networking in Google Chrome prior to 85.0.4183.102 allowed an attacker who convinced the user to enable logging to obtain potentially sensitive information from process memory via social engineering.

Record
EUVD-2020-7930
Updated
2026-11-03
GitHub AdvisoriesGHSA-7jfj-2652-mwfw No score

Insufficient policy enforcement in networking in Google Chrome prior to 85.0.4183.102 allowed an...

Insufficient policy enforcement in networking in Google Chrome prior to 85.0.4183.102 allowed an attacker who convinced the user to enable logging to obtain potentially sensitive information from process memory via social engineering.

Record
GHSA-7jfj-2652-mwfw
Updated
2026-11-02
OSV 4.3

Insufficient policy enforcement in networking in Google Chrome prior to 85.0.4183.102 allowed an attacker who convinced the user to enable logging to obtain potentially sensitive information from process memory via social engineering.

Record
CVE-2020-15959
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Updated
2026-11-02
OSVDEBIAN-CVE-2020-15959 4.3

Insufficient policy enforcement in networking in Google Chrome prior to 85.0.4183.102 allowed an attacker who convinced the user to enable logging to obtain potentially sensitive information from process memory via social engineering.

Record
DEBIAN-CVE-2020-15959
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Updated
2026-11-02
Show 8 moreShow less
OSVRHSA-2020:3740 8.8

Red Hat Security Advisory: chromium-browser security update

Record
RHSA-2020:3740
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2020-15959 4.3

Insufficient policy enforcement in networking in Google Chrome prior to 85.0.4183.102 allowed an attacker who convinced the user to enable logging to obtain potentially sensitive information from process memory via social engineering.

Record
UBUNTU-CVE-2020-15959
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Updated
2026-11-02
OSVopenSUSE-SU-2020:1499-1 No score

Security update for chromium

This update for chromium fixes the following issues:

Chromium was updated to version 85.0.4183.102 (bsc#1176306) fixing:

  • CVE-2020-6573: Use after free in video.
  • CVE-2020-6574: Insufficient policy enforcement in installer.
  • CVE-2020-6575: Race in Mojo.
  • CVE-2020-6576: Use after free in offscreen canvas.
  • CVE-2020-15959: Insufficient policy enforcement in networking.

Chromium was updated to version 85.0.4183.83 (boo#1175757) fixing:

  • CVE-2020-6558: Insufficient policy enforcement in iOS
  • CVE-2020-6559: Use after free in presentation API
  • CVE-2020-6560: Insufficient policy enforcement in autofill
  • CVE-2020-6561: Inappropriate implementation in Content Security Policy
  • CVE-2020-6562: Insufficient policy enforcement in Blink
  • CVE-2020-6563: Insufficient policy enforcement in intent handling.
  • CVE-2020-6564: Incorrect security UI in permissions
  • CVE-2020-6565: Incorrect security UI in Omnibox.
  • CVE-2020-6566: Insufficient policy enforcement in media.
  • CVE-2020-6567: Insufficient validation of untrusted input in command line handling.
  • CVE-2020-6568: Insufficient policy enforcement in intent handling.
  • CVE-2020-6569: Integer overflow in WebUSB.
  • CVE-2020-6570: Side-channel information leakage in WebRTC.
  • CVE-2020-6571: Incorrect security UI in Omnibox.
Record
openSUSE-SU-2020:1499-1
Updated
2026-11-02
OSVopenSUSE-SU-2020:1510-1 No score

Security update for chromium

This update for chromium fixes the following issues:

Chromium was updated to version 85.0.4183.102 (bsc#1176306) fixing:

  • CVE-2020-6573: Use after free in video.
  • CVE-2020-6574: Insufficient policy enforcement in installer.
  • CVE-2020-6575: Race in Mojo.
  • CVE-2020-6576: Use after free in offscreen canvas.
  • CVE-2020-15959: Insufficient policy enforcement in networking.

Chromium was updated to version 85.0.4183.83 (boo#1175757) fixing:

  • CVE-2020-6558: Insufficient policy enforcement in iOS
  • CVE-2020-6559: Use after free in presentation API
  • CVE-2020-6560: Insufficient policy enforcement in autofill
  • CVE-2020-6561: Inappropriate implementation in Content Security Policy
  • CVE-2020-6562: Insufficient policy enforcement in Blink
  • CVE-2020-6563: Insufficient policy enforcement in intent handling.
  • CVE-2020-6564: Incorrect security UI in permissions
  • CVE-2020-6565: Incorrect security UI in Omnibox.
  • CVE-2020-6566: Insufficient policy enforcement in media.
  • CVE-2020-6567: Insufficient validation of untrusted input in command line handling.
  • CVE-2020-6568: Insufficient policy enforcement in intent handling.
  • CVE-2020-6569: Integer overflow in WebUSB.
  • CVE-2020-6570: Side-channel information leakage in WebRTC.
  • CVE-2020-6571: Incorrect security UI in Omnibox.

This update was imported from the openSUSE:Leap:15.2:Update update project.

Record
openSUSE-SU-2020:1510-1
Updated
2026-11-02
OSVopenSUSE-SU-2020:1514-1 No score

Security update for chromium

This update for chromium fixes the following issues:

Chromium was updated to version 85.0.4183.102 (bsc#1176306) fixing:

  • CVE-2020-6573: Use after free in video.
  • CVE-2020-6574: Insufficient policy enforcement in installer.
  • CVE-2020-6575: Race in Mojo.
  • CVE-2020-6576: Use after free in offscreen canvas.
  • CVE-2020-15959: Insufficient policy enforcement in networking.

Chromium was updated to version 85.0.4183.83 (boo#1175757) fixing:

  • CVE-2020-6558: Insufficient policy enforcement in iOS
  • CVE-2020-6559: Use after free in presentation API
  • CVE-2020-6560: Insufficient policy enforcement in autofill
  • CVE-2020-6561: Inappropriate implementation in Content Security Policy
  • CVE-2020-6562: Insufficient policy enforcement in Blink
  • CVE-2020-6563: Insufficient policy enforcement in intent handling.
  • CVE-2020-6564: Incorrect security UI in permissions
  • CVE-2020-6565: Incorrect security UI in Omnibox.
  • CVE-2020-6566: Insufficient policy enforcement in media.
  • CVE-2020-6567: Insufficient validation of untrusted input in command line handling.
  • CVE-2020-6568: Insufficient policy enforcement in intent handling.
  • CVE-2020-6569: Integer overflow in WebUSB.
  • CVE-2020-6570: Side-channel information leakage in WebRTC.
  • CVE-2020-6571: Incorrect security UI in Omnibox.

This update was imported from the openSUSE:Leap:15.1:Update update project.

Record
openSUSE-SU-2020:1514-1
Updated
2026-11-02
OSVopenSUSE-SU-2020:1713-1 No score

Security update for opera

This update for opera fixes the following issues:

opera was updated to version 71.0.3770.228

  • DNA-87466 Hide extensions icon is black in dark theme
  • DNA-88580 Implement search_in_tabs telemetry benchmark
  • DNA-88591 Allow to scroll down the Keyboards Shortcuts section with URL
  • DNA-88693 Random crash in SmartFilesBrowserTest
  • DNA-88793 change VPN disclaimer modal layout
  • DNA-88799 Only active workspaces and active messengers should be listed in keyboard shortcuts settings
  • DNA-88838 add automatic VPN connection preference setting
  • DNA-88870 Align VPN popup to new design
  • DNA-88900 Turn off Tutorials in Opera GX – implementation
  • DNA-88931 Add info about channel and product (OPR, OPRGX) to rollout requests
  • DNA-88940 Allow continue-shopping|booking-host-override switch to handle host and path
  • DNA-88946 Auto-connect VPN after browser startup only for existing VPN users
  • DNA-89009 Change URL for search-suggestions
  • DNA-89021 Make RH test driver pack to a separate archive
  • DNA-89150 Unhardcode ‘From’ and ‘To’ strings in Advanced History Search
  • DNA-89175 Desktop without a flow paring should not initialize in browser startup

Opera was updated to version 71.0.3770.198

  • CHR-8106 Update chromium on desktop-stable-85-3770 to 85.0.4183.121

  • DNA-85648 Reconnecting Flow with iOS is unstable

  • DNA-87130 Spinner is stretched instead of clipped

  • DNA-87989 In Find in Page, “No matches” doesn’t go away after deleting all text

  • DNA-88098 Data URLs entries should not open new tab after click on new history page

  • DNA-88267 Extra semicolon in Russian BABE translation

  • DNA-88312 [Win] Downloads file drag and drop doesn’t work in Opera

  • DNA-88363 Add premium extension functionality

  • DNA-88580 Implement search_in_tabs telemetry benchmark

  • DNA-88611 Black font on a dark background in sync login dialog

  • DNA-88626 Disable #easy-files on desktop-stable-85-xxxx

  • DNA-88701 String “Type a shortcut” is hardcoded

  • DNA-88755 Crash at extensions::WebstoreOneClickInstallerUIImpl:: RemoveAllInfobarsExcept(opera::ExtensionInstallInfoBarDelegate*)

  • DNA-88797 Change ‘Register’ to ‘Tab’ in German

  • DNA-88851 [History][Resized window] Button and date input look bad

  • DNA-88958 Crash at net::`anonymous namespace”::Escape

  • The update to chromium 85.0.4183.121 fixes following issues:

    • CVE-2020-15960, CVE-2020-15961, CVE-2020-15962, CVE-2020-15963, CVE-2020-15965, CVE-2020-15966, CVE-2020-15964

  • Update to version 71.0.3770.148

    • CHR-8091 Update chromium on desktop-stable-85-3770 to 85.0.4183.102
    • DNA-87785 [Mac] “Alitools” text in extension toolbar overlaps Install button
    • DNA-87935 Make SSD smaller by 25%
    • DNA-87963 Hidden Avira extension in avira_2 edition
    • DNA-88015 [MyFlow] Desktop doesn’t show itself in devices list
    • DNA-88469 Add context menu options to configure shortcuts
    • DNA-88496 Define a/b test in ab_tests.json
    • DNA-88537 Don’t filter out hashes from feature reference groups coming from rollout
    • DNA-88580 Implement search_in_tabs telemetry benchmark
    • DNA-88604 [History panel] Search bar covers the “Clear browsing data” button
    • DNA-88619 String ‘Download complete’ is cut on download popup
    • DNA-88645 Remove option should not be available for last workspace
    • DNA-88718 [History panel] fix delete button overflow issue

  • The update to chromium 85.0.4183.102 fixes following issues:

    • CVE-2020-6573, CVE-2020-6574, CVE-2020-6575, CVE-2020-6576, CVE-2020-15959

  • Complete Opera 71.0 changelog at: https://blogs.opera.com/desktop/changelog-for-71/

  • Update to version 70.0.3728.144

    • CHR-8057 Update chromium on desktop-stable-84-3728 to 84.0.4147.135
    • DNA-88027 [Mac] Downloads icon disappears when downloads popup is shown
    • DNA-88204 Crash at opera::DownloadItemView::OnMousePressed …
Record
openSUSE-SU-2020:1713-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:10681-1 No score

chromedriver-93.0.4577.82-1.1 on GA media

These are all security issues fixed in the chromedriver-93.0.4577.82-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10681-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:12948-1 No score

ungoogled-chromium-113.0.5672.92-1.1 on GA media

These are all security issues fixed in the ungoogled-chromium-113.0.5672.92-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:12948-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
chromium
Debian:12
 before 87.0.4280.88-0.1
87.0.4280.88-0.1
chromium
Debian:13
 before 87.0.4280.88-0.1
87.0.4280.88-0.1
chromium
Debian:14
 before 87.0.4280.88-0.1
87.0.4280.88-0.1
chromium
Debian:10
From an advisory covering 140 CVEs
 before 87.0.4280.88-0.4~deb10u1, plus listed versions
73.0.3683.75-174.0.3729.108-175.0.3770.10-175.0.3770.80-175.0.3770.90-1
Show 42 moreShow less
76.0.3809.100-176.0.3809.100-1~deb10u176.0.3809.62-176.0.3809.71-176.0.3809.87-176.0.3809.87-278.0.3904.108-178.0.3904.108-1~deb10u178.0.3904.87-178.0.3904.97-178.0.3904.97-1~deb10u179.0.3945.130-179.0.3945.130-1~deb10u179.0.3945.130-279.0.3945.56-179.0.3945.79-180.0.3987.106-180.0.3987.116-180.0.3987.122-180.0.3987.122-280.0.3987.132-180.0.3987.132-1~deb10u180.0.3987.149-180.0.3987.149-1~deb10u180.0.3987.162-180.0.3987.162-1~deb10u181.0.4044.62-181.0.4044.92-183.0.4103.106-183.0.4103.116-183.0.4103.116-1~deb10u183.0.4103.116-1~deb10u283.0.4103.116-1~deb10u383.0.4103.116-283.0.4103.116-383.0.4103.116-3.183.0.4103.83-184.0.4147.105-184.0.4147.89-187.0.4280.88-0.187.0.4280.88-0.287.0.4280.88-0.3
87.0.4280.88-0.4~deb10u1
chromium-browser
Red Hat:rhel_extras:6
From an advisory covering 5 CVEs
 before 0:85.0.4183.102-1.el6_10
0:85.0.4183.102-1.el6_10
chromium-browser-debuginfo
Red Hat:rhel_extras:6
From an advisory covering 5 CVEs
 before 0:85.0.4183.102-1.el6_10
0:85.0.4183.102-1.el6_10
chromium-browser
Ubuntu:16.04:LTS
 before 85.0.4183.121-0ubuntu0.16.04.1, plus listed versions
45.0.2454.101-0ubuntu1.120147.0.2526.73-0ubuntu1.121847.0.2526.106-0ubuntu1.122148.0.2564.82-0ubuntu1.122248.0.2564.116-0ubuntu1.1229
Show 45 moreShow less
49.0.2623.87-0ubuntu1.123249.0.2623.108-0ubuntu1.123350.0.2661.102-0ubuntu0.16.04.1.123751.0.2704.79-0ubuntu0.16.04.1.124252.0.2743.116-0ubuntu0.16.04.1.125053.0.2785.143-0ubuntu0.16.04.1.125453.0.2785.143-0ubuntu0.16.04.1.125755.0.2883.87-0ubuntu0.16.04.126356.0.2924.76-0ubuntu0.16.04.126857.0.2987.98-0ubuntu0.16.04.127658.0.3029.81-0ubuntu0.16.04.127758.0.3029.96-0ubuntu0.16.04.127958.0.3029.110-0ubuntu0.16.04.128159.0.3071.109-0ubuntu0.16.04.128959.0.3071.109-0ubuntu0.16.04.129160.0.3112.78-0ubuntu0.16.04.129360.0.3112.113-0ubuntu0.16.04.129861.0.3163.79-0ubuntu0.16.04.130061.0.3163.100-0ubuntu0.16.04.130662.0.3202.62-0ubuntu0.16.04.130862.0.3202.75-0ubuntu0.16.04.131362.0.3202.89-0ubuntu0.16.04.131562.0.3202.94-0ubuntu0.16.04.131763.0.3239.84-0ubuntu0.16.04.163.0.3239.132-0ubuntu0.16.04.164.0.3282.119-0ubuntu0.16.04.164.0.3282.140-0ubuntu0.16.04.164.0.3282.167-0ubuntu0.16.04.165.0.3325.181-0ubuntu0.16.04.166.0.3359.139-0ubuntu0.16.04.366.0.3359.181-0ubuntu0.16.04.167.0.3396.99-0ubuntu0.16.04.268.0.3440.75-0ubuntu0.16.04.168.0.3440.106-0ubuntu0.16.04.169.0.3497.81-0ubuntu0.16.04.170.0.3538.67-0ubuntu0.16.04.170.0.3538.77-0ubuntu0.16.04.170.0.3538.110-0ubuntu0.16.04.171.0.3578.80-0ubuntu0.16.04.171.0.3578.98-0ubuntu0.16.04.172.0.3626.119-0ubuntu0.16.04.172.0.3626.121-0ubuntu0.16.04.173.0.3683.75-0ubuntu0.16.04.173.0.3683.86-0ubuntu0.16.04.174.0.3729.169-0ubuntu0.16.04.1
85.0.4183.121-0ubuntu0.16.04.1
chromium-browser
Ubuntu:18.04:LTS
 before 85.0.4183.121-0ubuntu0.18.04.1, plus listed versions
61.0.3163.100-0ubuntu1.137862.0.3202.62-0ubuntu0.17.10.138062.0.3202.89-0ubuntu1.138662.0.3202.94-0ubuntu1.138863.0.3239.84-0ubuntu1
Show 40 moreShow less
63.0.3239.108-0ubuntu164.0.3282.119-0ubuntu164.0.3282.140-0ubuntu164.0.3282.167-0ubuntu165.0.3325.146-0ubuntu165.0.3325.181-0ubuntu166.0.3359.139-0ubuntu0.18.04.366.0.3359.181-0ubuntu0.18.04.167.0.3396.99-0ubuntu0.18.04.168.0.3440.75-0ubuntu0.18.04.168.0.3440.106-0ubuntu0.18.04.169.0.3497.81-0ubuntu0.18.04.170.0.3538.67-0ubuntu0.18.04.170.0.3538.77-0ubuntu0.18.04.170.0.3538.110-0ubuntu0.18.04.171.0.3578.80-0ubuntu0.18.04.171.0.3578.98-0ubuntu0.18.04.172.0.3626.119-0ubuntu0.18.04.172.0.3626.121-0ubuntu0.18.04.173.0.3683.75-0ubuntu0.18.04.173.0.3683.86-0ubuntu0.18.04.174.0.3729.169-0ubuntu0.18.04.175.0.3770.90-0ubuntu0.18.04.175.0.3770.142-0ubuntu0.18.04.176.0.3809.87-0ubuntu0.18.04.176.0.3809.100-0ubuntu0.18.04.177.0.3865.90-0ubuntu0.18.04.178.0.3904.70-0ubuntu0.18.04.278.0.3904.97-0ubuntu0.18.04.178.0.3904.108-0ubuntu0.18.04.179.0.3945.79-0ubuntu0.18.04.179.0.3945.130-0ubuntu0.18.04.180.0.3987.87-0ubuntu0.18.04.180.0.3987.149-0ubuntu0.18.04.180.0.3987.163-0ubuntu0.18.04.181.0.4044.122-0ubuntu0.18.04.181.0.4044.138-0ubuntu0.18.04.183.0.4103.61-0ubuntu0.18.04.184.0.4147.105-0ubuntu0.18.04.185.0.4183.83-0ubuntu0.18.04.2
85.0.4183.121-0ubuntu0.18.04.1
chromium
openSUSE:Leap 15.1
From an advisory covering 19 CVEs
 before 85.0.4183.102-lp152.2.30.1
85.0.4183.102-lp152.2.30.1
chromium
openSUSE:Leap 15.2
From an advisory covering 19 CVEs
 before 85.0.4183.102-lp152.2.30.1
85.0.4183.102-lp152.2.30.1
Show 6 moreShow less
Affected packages
PackageAffectedFixed
chromium
SUSE:Package Hub 15 SP2
From an advisory covering 19 CVEs
 before 85.0.4183.102-bp152.2.20.1
85.0.4183.102-bp152.2.20.1
chromium
SUSE:Package Hub 15 SP1
From an advisory covering 19 CVEs
 before 85.0.4183.102-bp151.3.107.1
85.0.4183.102-bp151.3.107.1
opera
openSUSE:Leap 15.1 NonFree
From an advisory covering 13 CVEs
 before 71.0.3770.228-lp152.2.18.1
71.0.3770.228-lp152.2.18.1
opera
openSUSE:Leap 15.2 NonFree
From an advisory covering 13 CVEs
 before 71.0.3770.228-lp152.2.18.1
71.0.3770.228-lp152.2.18.1
chromium
openSUSE:Tumbleweed
From an advisory covering 1081 CVEs
 before 93.0.4577.82-1.1
93.0.4577.82-1.1
chromium
openSUSE:Tumbleweed
From an advisory covering 2310 CVEs
 before 113.0.5672.92-1.1
113.0.5672.92-1.1

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-15959 is a medium vulnerability (CVSS 4.3) in Google Chrome, published September 21, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.24%, the 69th percentile. Fixed in chromium 87.0.4280.88-0.1.

References

Show 194 moreShow less
This page doesn't list everything

Left out here: 15 versions, 2,155 references and the rest of 1 source description. The JSON record has them.

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