Vulnerability in Google Chrome
CVE-2021-30630
Inappropriate implementation in Blink in Google Chrome prior to 93.0.4577.82 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page.
Published · last modified .
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:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.007 (52.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 52.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Google Chrome — versions unspecified
- Fedoraproject Fedora — versions 33, 35
Weakness classification (CWE)
References
- chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop.html (Release Notes, Vendor Advisory)
- crbug.com/1244568 (Permissions Required, Vendor Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2021-30630?
- CVE-2021-30630 is a medium-severity vulnerability in Google Chrome, classified under Origin Validation Error. CVSS score: 4.3/10. Published 2021-10-08.
- How severe is CVE-2021-30630?
- Medium severity. CVSS v3 base score is 4.3 out of 10.