Vulnerability · Published Apr 30, 2021 · Assigned by Chrome
CVE-2021-21228
Medium 4.3
In plain English
A medium-severity security flaw in Chrome from Google. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 65% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)4.3Medium
Exploit odds (30 days)1.1%top 35.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Insufficient policy enforcement in extensions in Google Chrome prior to 90.0.4430.93 allowed an attacker who convinced a user to install a malicious extension to bypass navigation restrictions via a crafted Chrome Extension.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | chromium | 90.0.4430.93-1 | DEBIAN-CVE-2021-21228 |
| Debian:13 | chromium | 90.0.4430.93-1 | DEBIAN-CVE-2021-21228 |
| Debian:14 | chromium | 90.0.4430.93-1 | DEBIAN-CVE-2021-21228 |
Affected products (as reported)
References
- https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop_26.html x_refsource_MISC
- https://crbug.com/1139156 x_refsource_MISC
- GLSA-202104-08 vendor-advisory, x_refsource_GENTOO
- DSA-4911 vendor-advisory, x_refsource_DEBIAN
- FEDORA-2021-c3754414e7 vendor-advisory, x_refsource_FEDORA
- FEDORA-2021-ff893e12c5 vendor-advisory, x_refsource_FEDORA
- FEDORA-2021-35d2bb4627 vendor-advisory, x_refsource_FEDORA