CVE-2021-21163

medium
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

Insufficient data validation in Reader Mode 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 and a malicious server.

References

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

https://crbug.com/1111239

https://lists.fedoraproject.org/archives/list/[email protected]/message/FE5SIKEVYTMDCC5OSXGOM2KRPYLHYMQX/

https://lists.fedoraproject.org/archives/list/[email protected]/message/BBT54RKAE5XLMWSHLVUKJ7T2XHHYMXLH/

https://lists.fedoraproject.org/archives/list/[email protected]/message/LCIDZ77XUDMB2EBPPWCQXPEIJERDNSNT/

https://www.debian.org/security/2021/dsa-4886

https://security.gentoo.org/glsa/202104-08

Details

Source: MITRE

Published: 2021-03-09

Updated: 2021-05-01

Type: CWE-346

Risk Information

CVSS v2

Base Score: 4.3

Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 6.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Impact Score: 3.6

Exploitability Score: 2.8

Severity: MEDIUM

Tenable Plugins

View all (9 total)

IDNameProductFamilySeverity
149223GLSA-202104-08 : Chromium, Google Chrome: Multiple vulnerabilitiesNessusGentoo Local Security Checks
high
148782Fedora 33 : chromium (2021-4740239e28)NessusFedora Local Security Checks
high
148364Debian DSA-4886-1 : chromium - security updateNessusDebian Local Security Checks
high
147941Fedora 32 : chromium (2021-c88a96bd4b)NessusFedora Local Security Checks
high
147606openSUSE Security Update : chromium (openSUSE-2021-392)NessusSuSE Local Security Checks
high
147192Microsoft Edge (Chromium) < 89.0.774.45 Multiple VulnerabilitiesNessusWindows
high
147152FreeBSD : chromium -- multiple vulnerabilities (f00b65d8-7ccb-11eb-b3be-e09467587c17)NessusFreeBSD Local Security Checks
high
146949Google Chrome < 89.0.4389.72 Multiple VulnerabilitiesNessusMacOS X Local Security Checks
high
146948Google Chrome < 89.0.4389.72 Multiple VulnerabilitiesNessusWindows
high