Vulnerability in Apple Iphone OS
CVE-2021-21163
Insufficient data validation in Reader Mode in Google Chrome on iOS prior to 89.0.4389.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page and a malicious server.
EPSS: 0.009 (57.3th 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:H/I:N/A:N.
Affected products
- Apple Iphone_os
- Google Chrome — versions unspecified
- Debian Debian_linux — versions 10.0
- Fedoraproject Fedora — versions 32, 33, 34
Weakness classification (CWE)
References
- chrome-cve-admin@google.com (x_refsource_MISC, Release Notes, Vendor Advisory)
- chrome-cve-admin@google.com (Permissions Required, x_refsource_MISC)
- chrome-cve-admin@google.com (x_refsource_FEDORA, vendor-advisory)
- chrome-cve-admin@google.com (x_refsource_FEDORA, vendor-advisory)
- chrome-cve-admin@google.com (x_refsource_FEDORA, vendor-advisory)
- chrome-cve-admin@google.com (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- chrome-cve-admin@google.com (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
Frequently asked questions
- What is CVE-2021-21163?
- CVE-2021-21163 is a medium-severity vulnerability in Apple Iphone OS, classified under Origin Validation Error. CVSS score: 6.5/10. Published 2021-03-09.
- How severe is CVE-2021-21163?
- Medium severity. CVSS v3 base score is 6.5 out of 10.