Vulnerability · Published Feb 9, 2021 · Assigned by Chrome

CVE-2021-21117

High 7.8

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 0.2% (higher than 13% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.2%top 86.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Insufficient policy enforcement in Cryptohome in Google Chrome prior to 88.0.4324.96 allowed a local attacker to perform OS-level privilege escalation via a crafted file.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12chromium88.0.4324.96-0.1DEBIAN-CVE-2021-21117
Debian:13chromium88.0.4324.96-0.1DEBIAN-CVE-2021-21117
Debian:14chromium88.0.4324.96-0.1DEBIAN-CVE-2021-21117

Affected products (as reported)

VendorProductVersions
Google Chrome unspecified – before 88.0.4324.96

References