Auth bypass in Google Chrome
CVE-2021-30539
Insufficient policy enforcement in content security policy in Google Chrome prior to 91.0.4472.77 allowed a remote attacker to bypass content security policy via a crafted HTML page.
Vulnerability class: Broken Access Control
EPSS: 0.013 (67.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.
Affected products
- Google Chrome — versions unspecified
- Fedoraproject Fedora — versions 33, 34
Weakness classification (CWE)
References
- chrome-cve-admin@google.com (x_refsource_MISC, Release Notes, Vendor Advisory)
- chrome-cve-admin@google.com (Exploit, Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- chrome-cve-admin@google.com (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- chrome-cve-admin@google.com (x_refsource_FEDORA, vendor-advisory)
- chrome-cve-admin@google.com (x_refsource_FEDORA, vendor-advisory)
Frequently asked questions
- What is CVE-2021-30539?
- CVE-2021-30539 is a medium-severity vulnerability in Google Chrome, classified under Incorrect Authorization. CVSS score: 5.4/10. Published 2021-06-07.
- How severe is CVE-2021-30539?
- Medium severity. CVSS v3 base score is 5.4 out of 10.