CVE-2021-21164 : Insufficient data validation in Chrome on iOS in Google Chrome on iOS prior to 8

Insufficient data validation in Chrome on iOS in Google Chrome on iOS prior to 89.0.4389.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page.

Published 2021-03-09 18:15:16

Updated 2021-12-03 17:11:43

Source Chrome

View at NVD, CVE.org

Products affected by CVE-2021-21164

Debian » Debian Linux » Version: 10.0
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Matching versions
Google » Chrome
Versions before (<) 89.0.4389.72
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
Matching versions
When used together with: Apple » Iphone Os » Version: N/A
Fedoraproject » Fedora » Version: 32
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
Matching versions
Fedoraproject » Fedora » Version: 33
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
Matching versions
Fedoraproject » Fedora » Version: 34
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2021-21164

EPSS FAQ

0.42%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 71 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-21164

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.3	MEDIUM	AV:N/AC:M/Au:N/C:P/I:N/A:N	8.6	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
6.5	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N	2.8	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: High Integrity: None Availability: None

CWE ids for CVE-2021-21164

CWE-346 Origin Validation Error

The product does not properly verify that the source of data or communication is valid.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-21164

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BBT54RKAE5XLMWSHLVUKJ7T2XHHYMXLH/

[SECURITY] Fedora 33 Update: chromium-89.0.4389.90-3.fc33 - package-announce - Fedora Mailing-Lists
Mailing List;Third Party Advisory

CVEs referencing this url
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LCIDZ77XUDMB2EBPPWCQXPEIJERDNSNT/

[SECURITY] Fedora 34 Update: chromium-89.0.4389.90-3.fc34 - package-announce - Fedora Mailing-Lists
Mailing List;Third Party Advisory

CVEs referencing this url
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FE5SIKEVYTMDCC5OSXGOM2KRPYLHYMQX/

[SECURITY] Fedora 32 Update: chromium-89.0.4389.82-1.fc32 - package-announce - Fedora Mailing-Lists
Mailing List;Third Party Advisory

CVEs referencing this url
https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop.html

Chrome Releases: Stable Channel Update for Desktop
Release Notes;Vendor Advisory

CVEs referencing this url
https://crbug.com/1164846

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Vulnerability Details : CVE-2021-21164

Products affected by CVE-2021-21164

Exploit prediction scoring system (EPSS) score for CVE-2021-21164

CVSS scores for CVE-2021-21164

CWE ids for CVE-2021-21164

References for CVE-2021-21164