Auth bypass in Google Chrome
CVE-2021-30538
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: 0.157 (96.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.
Affected products
- Google Chrome — versions unspecified
- Fedoraproject Fedora — versions 33, 34
Weakness classification (CWE)
Public proof-of-concept exploits
References
- chrome-cve-admin@google.com (x_refsource_MISC, Release Notes, Vendor Advisory)
- chrome-cve-admin@google.com (Permissions Required, Exploit, Patch, x_refsource_MISC, Issue Tracking, Vendor Advisory)
- 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-2021-30538?
- CVE-2021-30538 is a medium-severity vulnerability in Google Chrome, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2021-06-07.
- How severe is CVE-2021-30538?
- Medium severity. CVSS v3 base score is 4.3 out of 10.
- Is CVE-2021-30538 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.