Vulnerability · Published Jul 28, 2023 · Assigned by Chrome
CVE-2021-4323
Medium 6.5
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 0.5% (higher than 40% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)0.5%top 59.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Insufficient validation of untrusted input in Extensions in Google Chrome prior to 90.0.4430.72 allowed an attacker who convinced a user to install a malicious extension to access local files via a crafted Chrome Extension. (Chromium security severity: Medium)
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | chromium | 90.0.4430.72-1 | DEBIAN-CVE-2021-4323 |
| Debian:13 | chromium | 90.0.4430.72-1 | DEBIAN-CVE-2021-4323 |
| Debian:14 | chromium | 90.0.4430.72-1 | DEBIAN-CVE-2021-4323 |