AUGUST 4, 2026
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Case File

CVE-2021-4321

MEDIUM · CVSS 4.3 EPSS 0.54%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-07-29 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 4.3. It affects Chrome. It may be remotely exploitable.

CVE
CVE-2021-4321
Severity
MEDIUM
CVSS
4.3
EPSS
0.54%
Chrome

Original NVD Description

Policy bypass in Blink in Google Chrome prior to 91.0.4472.77 allowed a remote attacker to bypass content security policy via a crafted HTML page. (Chromium security severity: Low)

Related CVEs

Other vulnerabilities affecting the same vendor(s)