Every CVE Search/ Get API key

CVE-2021-21212

Incorrect security UI in Network Config UI in Google Chrome on ChromeOS prior to 90.0.4430.72...

6.5 MediumFix available

Incorrect security UI in Network Config UI in Google Chrome on ChromeOS prior to 90.0.4430.72 allowed a remote attacker to potentially compromise WiFi connection security via a malicious WAP.

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
None
Integrity
High
Availability
None

Exploit likelihood

1.81%Up 1.0 points since Apr 27, 2021
90%50%10%1%

What each source reports

NVD Score used 6.5

Incorrect security UI in Network Config UI in Google Chrome on ChromeOS prior to 90.0.4430.72 allowed a remote attacker to potentially compromise WiFi connection security via a malicious WAP.

Record
CVE-2021-21212
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Updated
2026-11-02
CVE List No score

Incorrect security UI in Network Config UI in Google Chrome on ChromeOS prior to 90.0.4430.72 allowed a remote attacker to potentially compromise WiFi connection security via a malicious WAP.

Record
CVE-2021-21212
Updated
2026-11-02
EUVDEUVD-2021-8603 No score

Incorrect security UI in Network Config UI in Google Chrome on ChromeOS prior to 90.0.4430.72 allowed a remote attacker to potentially compromise WiFi connection security via a malicious WAP.

Record
EUVD-2021-8603
Updated
2026-11-03
GitHub AdvisoriesGHSA-h3gg-p3fw-jf9r No score

Incorrect security UI in Network Config UI in Google Chrome on ChromeOS prior to 90.0.4430.72...

Incorrect security UI in Network Config UI in Google Chrome on ChromeOS prior to 90.0.4430.72 allowed a remote attacker to potentially compromise WiFi connection security via a malicious WAP.

Record
GHSA-h3gg-p3fw-jf9r
Updated
2026-11-02
OSVALPINE-CVE-2021-21212 6.5

Incorrect security UI in Network Config UI in Google Chrome on ChromeOS prior to 90.0.4430.72 allowed a remote attacker to potentially compromise WiFi connection security via a malicious WAP.

Record
ALPINE-CVE-2021-21212
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Updated
2026-11-03
OSV 6.5

Incorrect security UI in Network Config UI in Google Chrome on ChromeOS prior to 90.0.4430.72 allowed a remote attacker to potentially compromise WiFi connection security via a malicious WAP.

Record
CVE-2021-21212
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Updated
2026-11-02
Show 7 moreShow less
OSVDEBIAN-CVE-2021-21212 6.5

Incorrect security UI in Network Config UI in Google Chrome on ChromeOS prior to 90.0.4430.72 allowed a remote attacker to potentially compromise WiFi connection security via a malicious WAP.

Record
DEBIAN-CVE-2021-21212
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Updated
2026-11-02
OSVUBUNTU-CVE-2021-21212 6.5

Incorrect security UI in Network Config UI in Google Chrome on ChromeOS prior to 90.0.4430.72 allowed a remote attacker to potentially compromise WiFi connection security via a malicious WAP.

Record
UBUNTU-CVE-2021-21212
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Updated
2026-11-02
OSVopenSUSE-SU-2021:0629-1 No score

Security update for Chromium

This update for chromium fixes the following issues:

  • Chromium was updated to 90.0.4430.93 (boo#1184764,boo#1185047,boo#1185398)
    • CVE-2021-21227: Insufficient data validation in V8.
    • CVE-2021-21232: Use after free in Dev Tools.
    • CVE-2021-21233: Heap buffer overflow in ANGLE.
    • CVE-2021-21228: Insufficient policy enforcement in extensions.
    • CVE-2021-21229: Incorrect security UI in downloads.
    • CVE-2021-21230: Type Confusion in V8.
    • CVE-2021-21231: Insufficient data validation in V8.
    • CVE-2021-21222: Heap buffer overflow in V8
    • CVE-2021-21223: Integer overflow in Mojo
    • CVE-2021-21224: Type Confusion in V8
    • CVE-2021-21225: Out of bounds memory access in V8
    • CVE-2021-21226: Use after free in navigation
    • CVE-2021-21201: Use after free in permissions
    • CVE-2021-21202: Use after free in extensions
    • CVE-2021-21203: Use after free in Blink
    • CVE-2021-21204: Use after free in Blink
    • CVE-2021-21205: Insufficient policy enforcement in navigation
    • CVE-2021-21221: Insufficient validation of untrusted input in Mojo
    • CVE-2021-21207: Use after free in IndexedDB
    • CVE-2021-21208: Insufficient data validation in QR scanner
    • CVE-2021-21209: Inappropriate implementation in storage
    • CVE-2021-21210: Inappropriate implementation in Network
    • CVE-2021-21211: Inappropriate implementation in Navigatio
    • CVE-2021-21212: Incorrect security UI in Network Config UI
    • CVE-2021-21213: Use after free in WebMIDI
Record
openSUSE-SU-2021:0629-1
Updated
2026-11-02
OSVopenSUSE-SU-2021:0825-1 No score

Security update for chromium

This update for chromium fixes the following issues:

Chromium 91.0.4472.77 (boo#1186458):

  • Support Managed configuration API for Web Applications
  • WebOTP API: cross-origin iframe support
  • CSS custom counter styles
  • Support JSON Modules
  • Clipboard: read-only files support
  • Remove webkitBeforeTextInserted & webkitEditableCOntentChanged JS events
  • Honor media HTML attribute for link icon
  • Import Assertions
  • Class static initializer blocks
  • Ergonomic brand checks for private fields
  • Expose WebAssembly SIMD
  • New Feature: WebTransport
  • ES Modules for service workers ('module' type option)
  • Suggested file name and location for the File System Access API
  • adaptivePTime property for RTCRtpEncodingParameters
  • Block HTTP port 10080 - mitigation for NAT Slipstream 2.0 attack
  • Support WebSockets over HTTP/2
  • Support 103 Early Hints for Navigation
  • CVE-2021-30521: Heap buffer overflow in Autofill
  • CVE-2021-30522: Use after free in WebAudio
  • CVE-2021-30523: Use after free in WebRTC
  • CVE-2021-30524: Use after free in TabStrip
  • CVE-2021-30525: Use after free in TabGroups
  • CVE-2021-30526: Out of bounds write in TabStrip
  • CVE-2021-30527: Use after free in WebUI
  • CVE-2021-30528: Use after free in WebAuthentication
  • CVE-2021-30529: Use after free in Bookmarks
  • CVE-2021-30530: Out of bounds memory access in WebAudio
  • CVE-2021-30531: Insufficient policy enforcement in Content Security Policy
  • CVE-2021-30532: Insufficient policy enforcement in Content Security Policy
  • CVE-2021-30533: Insufficient policy enforcement in PopupBlocker
  • CVE-2021-30534: Insufficient policy enforcement in iFrameSandbox
  • CVE-2021-30535: Double free in ICU
  • CVE-2021-21212: Insufficient data validation in networking
  • CVE-2021-30536: Out of bounds read in V8
  • CVE-2021-30537: Insufficient policy enforcement in cookies
  • CVE-2021-30538: Insufficient policy enforcement in content security policy
  • CVE-2021-30539: Insufficient policy enforcement in content security policy
  • CVE-2021-30540: Incorrect security UI in payments
  • Various fixes from internal audits, fuzzing and other initiatives
Record
openSUSE-SU-2021:0825-1
Updated
2026-11-02
OSVopenSUSE-SU-2021:0840-1 No score

Security update for chromium

This update for chromium fixes the following issues:

Chromium 91.0.4472.77 (boo#1186458):

  • Support Managed configuration API for Web Applications
  • WebOTP API: cross-origin iframe support
  • CSS custom counter styles
  • Support JSON Modules
  • Clipboard: read-only files support
  • Remove webkitBeforeTextInserted & webkitEditableCOntentChanged JS events
  • Honor media HTML attribute for link icon
  • Import Assertions
  • Class static initializer blocks
  • Ergonomic brand checks for private fields
  • Expose WebAssembly SIMD
  • New Feature: WebTransport
  • ES Modules for service workers ('module' type option)
  • Suggested file name and location for the File System Access API
  • adaptivePTime property for RTCRtpEncodingParameters
  • Block HTTP port 10080 - mitigation for NAT Slipstream 2.0 attack
  • Support WebSockets over HTTP/2
  • Support 103 Early Hints for Navigation
  • CVE-2021-30521: Heap buffer overflow in Autofill
  • CVE-2021-30522: Use after free in WebAudio
  • CVE-2021-30523: Use after free in WebRTC
  • CVE-2021-30524: Use after free in TabStrip
  • CVE-2021-30525: Use after free in TabGroups
  • CVE-2021-30526: Out of bounds write in TabStrip
  • CVE-2021-30527: Use after free in WebUI
  • CVE-2021-30528: Use after free in WebAuthentication
  • CVE-2021-30529: Use after free in Bookmarks
  • CVE-2021-30530: Out of bounds memory access in WebAudio
  • CVE-2021-30531: Insufficient policy enforcement in Content Security Policy
  • CVE-2021-30532: Insufficient policy enforcement in Content Security Policy
  • CVE-2021-30533: Insufficient policy enforcement in PopupBlocker
  • CVE-2021-30534: Insufficient policy enforcement in iFrameSandbox
  • CVE-2021-30535: Double free in ICU
  • CVE-2021-21212: Insufficient data validation in networking
  • CVE-2021-30536: Out of bounds read in V8
  • CVE-2021-30537: Insufficient policy enforcement in cookies
  • CVE-2021-30538: Insufficient policy enforcement in content security policy
  • CVE-2021-30539: Insufficient policy enforcement in content security policy
  • CVE-2021-30540: Incorrect security UI in payments
  • Various fixes from internal audits, fuzzing and other initiatives
Record
openSUSE-SU-2021:0840-1
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
Alpine:v3.14
 before 90.0.4430.72-r0
90.0.4430.72-r0
chromium
Alpine:v3.15
 before 90.0.4430.72-r0
90.0.4430.72-r0
chromium
Alpine:v3.16
 before 90.0.4430.72-r0
90.0.4430.72-r0
chromium
Alpine:v3.17
 before 90.0.4430.72-r0
90.0.4430.72-r0
chromium
Alpine:v3.18
 before 90.0.4430.72-r0
90.0.4430.72-r0
chromium
Alpine:v3.19
 before 90.0.4430.72-r0
90.0.4430.72-r0
chromium
Alpine:v3.20
 before 90.0.4430.72-r0
90.0.4430.72-r0
chromium
Alpine:v3.21
 before 90.0.4430.72-r0
90.0.4430.72-r0
chromium
Alpine:v3.22
 before 90.0.4430.72-r0
90.0.4430.72-r0
chromium
Alpine:v3.23
 before 90.0.4430.72-r0
90.0.4430.72-r0
Show 13 moreShow less
Affected packages
PackageAffectedFixed
chromium
Alpine:v3.24
 before 90.0.4430.72-r0
90.0.4430.72-r0
chromium
Debian:12
 before 90.0.4430.72-1
90.0.4430.72-1
chromium
Debian:13
 before 90.0.4430.72-1
90.0.4430.72-1
chromium
Debian:14
 before 90.0.4430.72-1
90.0.4430.72-1
chromium
Debian:10
From an advisory covering 25 CVEs
 before 90.0.4430.85-1~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 45 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~deb10u383.0.4103.116-283.0.4103.116-383.0.4103.116-3.183.0.4103.83-184.0.4147.105-184.0.4147.89-187.0.4280.141-0.187.0.4280.141-0.1~deb10u187.0.4280.88-0.187.0.4280.88-0.287.0.4280.88-0.387.0.4280.88-0.4
90.0.4430.85-1~deb10u1
chromium-browser
Ubuntu:16.04:LTS
 before 90.0.4430.72-0ubuntu0.16.04.1, 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
90.0.4430.72-0ubuntu0.16.04.1
chromium-browser
Ubuntu:18.04:LTS
 before 90.0.4430.72-0ubuntu0.18.04.1, 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 45 moreShow less
63.0.3239.108-0ubuntu164.0.3282.119-0ubuntu164.0.3282.140-0ubuntu164.0.3282.167-0ubuntu165.0.3325.146-0ubuntu165.0.3325.181-0ubuntu166.0.3359.139-0ubuntu0.18.04.366.0.3359.181-0ubuntu0.18.04.167.0.3396.99-0ubuntu0.18.04.168.0.3440.75-0ubuntu0.18.04.168.0.3440.106-0ubuntu0.18.04.169.0.3497.81-0ubuntu0.18.04.170.0.3538.67-0ubuntu0.18.04.170.0.3538.77-0ubuntu0.18.04.170.0.3538.110-0ubuntu0.18.04.171.0.3578.80-0ubuntu0.18.04.171.0.3578.98-0ubuntu0.18.04.172.0.3626.119-0ubuntu0.18.04.172.0.3626.121-0ubuntu0.18.04.173.0.3683.75-0ubuntu0.18.04.173.0.3683.86-0ubuntu0.18.04.174.0.3729.169-0ubuntu0.18.04.175.0.3770.90-0ubuntu0.18.04.175.0.3770.142-0ubuntu0.18.04.176.0.3809.87-0ubuntu0.18.04.176.0.3809.100-0ubuntu0.18.04.177.0.3865.90-0ubuntu0.18.04.178.0.3904.70-0ubuntu0.18.04.278.0.3904.97-0ubuntu0.18.04.178.0.3904.108-0ubuntu0.18.04.179.0.3945.79-0ubuntu0.18.04.179.0.3945.130-0ubuntu0.18.04.180.0.3987.87-0ubuntu0.18.04.180.0.3987.149-0ubuntu0.18.04.180.0.3987.163-0ubuntu0.18.04.181.0.4044.122-0ubuntu0.18.04.181.0.4044.138-0ubuntu0.18.04.183.0.4103.61-0ubuntu0.18.04.184.0.4147.105-0ubuntu0.18.04.185.0.4183.83-0ubuntu0.18.04.285.0.4183.121-0ubuntu0.18.04.186.0.4240.75-0ubuntu0.18.04.186.0.4240.198-0ubuntu0.18.04.187.0.4280.66-0ubuntu0.18.04.189.0.4389.82-0ubuntu0.18.04.1
90.0.4430.72-0ubuntu0.18.04.1
chromium
openSUSE:Leap 15.2
From an advisory covering 25 CVEs
 before 90.0.4430.93-lp152.2.89.1
90.0.4430.93-lp152.2.89.1
chromium
openSUSE:Leap 15.2
From an advisory covering 21 CVEs
 before 91.0.4472.77-lp152.2.98.1
91.0.4472.77-lp152.2.98.1
chromium
SUSE:Package Hub 15 SP3
From an advisory covering 21 CVEs
 before 91.0.4472.77-bp153.2.3.1
91.0.4472.77-bp153.2.3.1
chromium
openSUSE:Leap 15.3
From an advisory covering 21 CVEs
 before 91.0.4472.77-bp153.2.3.1
91.0.4472.77-bp153.2.3.1
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
affected, aliases, referencesOSV
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

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

In short

CVE-2021-21212 is a medium vulnerability (CVSS 6.5) in Google Chrome, published April 26, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.81%, the 78th percentile. Fixed in chromium 90.0.4430.72-r0.

References

Show 194 moreShow less
This page doesn't list everything

Left out here: 36 versions and 2,133 references. The JSON record has them.

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