Vulnerability in Google Chrome
CVE-2021-21139
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.
EPSS: 0.047 (90.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.
Affected products
- Google Chrome — versions unspecified
- Microsoft Edge_chromium
Weakness classification (CWE)
References
- chrome-cve-admin@google.com (x_refsource_MISC, Release Notes, Vendor Advisory)
- chrome-cve-admin@google.com (Exploit, Patch, x_refsource_MISC, Issue Tracking, Vendor Advisory)
- chrome-cve-admin@google.com (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-21139?
- CVE-2021-21139 is a medium-severity vulnerability in Google Chrome, classified under Improper Restriction of Rendered UI Layers or Frames (Clickjacking). CVSS score: 6.5/10. Published 2021-02-09.
- How severe is CVE-2021-21139?
- Medium severity. CVSS v3 base score is 6.5 out of 10.