Vulnerability · Published Jan 2, 2023 · Assigned by Chrome

CVE-2021-30558

High 8.8

In plain English

A high-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 11.5% (higher than 96% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)11.5%top 4.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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. (Chrome security severity: Medium)

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12chromium93.0.4577.82-1DEBIAN-CVE-2021-30558
Debian:13chromium93.0.4577.82-1DEBIAN-CVE-2021-30558
Debian:14chromium93.0.4577.82-1DEBIAN-CVE-2021-30558

Affected products (as reported)

VendorProductVersions
Google Chrome unspecified – before 91.0.4472.77

References