VULNERABILITY INTELLIGENCE

CVE-2021-21139

CVSS score6.5 MEDIUM

EPSS probability4.74%

CISA KEVNot currently listed

Published2021-02-09

Last modified2026-06-17

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

Description

Inappropriate implementation in iframe sandbox in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page.

Weakness classification

nvd@nist.gov: CWE-1021

Primary references

chrome-cve-admin@google.com — Release Notes, Vendor Advisory
chrome-cve-admin@google.com — Exploit, Issue Tracking, Patch, Vendor Advisory
chrome-cve-admin@google.com — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory