CVE-2021-21220

high
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 validation of untrusted input in V8 in Google Chrome prior to 89.0.4389.128 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

References

https://crbug.com/1196683

https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop.html

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

http://packetstormsecurity.com/files/162437/Google-Chrome-XOR-Typer-Out-Of-Bounds-Access-Remote-Code-Execution.html

https://lists.fedoraproject.org/archives/list/[email protected]/message/VUZBGKGVZADNA3I24NVG7HAYYUTOSN5A/

https://lists.fedoraproject.org/archives/list/[email protected]/message/EAJ42L4JFPBJATCZ7MOZQTUDGV4OEHHG/

https://lists.fedoraproject.org/archives/list/[email protected]/message/U3GZ42MYPGD35V652ZPVPYYS7A7LVXVY/

Details

Source: MITRE

Published: 2021-04-26

Updated: 2021-06-01

Type: CWE-119

Risk Information

CVSS v2

Base Score: 6.8

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

Impact Score: 6.4

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 8.8

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

Impact Score: 5.9

Exploitability Score: 2.8

Severity: HIGH

Tenable Plugins

View all (7 total)

IDNameProductFamilySeverity
150103openSUSE Security Update : opera (openSUSE-2021-712)NessusSuSE Local Security Checks
critical
149223GLSA-202104-08 : Chromium, Google Chrome: Multiple vulnerabilitiesNessusGentoo Local Security Checks
high
148746openSUSE Security Update : chromium (openSUSE-2021-567)NessusSuSE Local Security Checks
high
148599FreeBSD : chromium -- multiple vulnerabilities (7c0d71a9-9d48-11eb-97a0-e09467587c17)NessusFreeBSD Local Security Checks
high
148565Microsoft Edge (Chromium) < 89.0.774.77 Multiple VulnerabilitiesNessusWindows
high
148488Google Chrome < 89.0.4389.128 Multiple VulnerabilitiesNessusMacOS X Local Security Checks
high
148487Google Chrome < 89.0.4389.128 Multiple VulnerabilitiesNessusWindows
high