CVE & CISA-KEV Catalog

CVE-2021-30531

MEDIUMEPSS 75th pctl
6.5
CVSS v3
NVD

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.

How to fix

Remediation Available
chromiumDebian
Fixed in:93.0.4577.82-1CVE-2021-30531
Fixed in:93.0.4577.82-1CVE-2021-30531
Fixed in:93.0.4577.82-1CVE-2021-30531
Fixed in:93.0.4577.82-1CVE-2021-30531
Google ChromeWindows application
Affected:91.0.4472.77Fixed in:91.0.4472.77Google LLC
Google Chrome (EXE)Windows application
Affected:91.0.4472.77Fixed in:91.0.4472.77Google LLC
Google Chrome BetaWindows application
Affected:91.0.4472.77Fixed in:91.0.4472.77Google LLC
Google Chrome Beta (EXE)Windows application
Affected:91.0.4472.77Fixed in:91.0.4472.77Google LLC
Google Chrome CanaryWindows application
Affected:91.0.4472.77Fixed in:91.0.4472.77Google LLC
Google Chrome DevWindows application
Affected:91.0.4472.77Fixed in:91.0.4472.77Google LLC
Google Chrome Dev (EXE)Windows application
Affected:91.0.4472.77Fixed in:91.0.4472.77Google LLC

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityHigh
AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Exploit Intelligence

1.74%probability of exploitation in 30 days
75thpercentile

Elevated risk: more likely to be exploited than 75% of all known CVEs.

References

Patch1
Third-Party Advisory1
Embed a live status badge for CVE-2021-30531
CVE-2021-30531 severity badge

Markdown

[![CVE-2021-30531](https://tridentstack.com/cve/badge/CVE-2021-30531.svg)](https://tridentstack.com/cve/CVE-2021-30531)

HTML

<a href="https://tridentstack.com/cve/CVE-2021-30531"><img src="https://tridentstack.com/cve/badge/CVE-2021-30531.svg" alt="CVE-2021-30531"></a>

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.