CVE-2021-30620 - Vulnerability Details - OpenCVE

Description

Chromium: CVE-2021-30620 Insufficient policy enforcement in Blink

Published: 2021-09-03

Score: 8.8 High

EPSS: 3.9% Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Microsoft

Microsoft Edge (Chromium-based)

affected

Version	Status	Constraints
`unspecified`	affected	—

Configuration 1 [-]

cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*

Configuration 2 [-]

OR	cpe:2.3:a:microsoft:edge::::::::
	cpe:2.3:a:microsoft:edge_chromium::::::::

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-17540	Chromium: CVE-2021-30620 Insufficient policy enforcement in Blink

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.03904.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IPJPUSAWIJMQFBQQQYXAICLI4EKFQOH6/
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-30620

History

No history.

Subscriptions

Fedoraproject Fedora

Microsoft Edge Edge Chromium

MITRE

Status: PUBLISHED

Assigner: Chrome

Published: 2021-09-03T19:25:58.000Z

Updated: 2024-08-03T22:40:31.754Z

Reserved: 2021-04-13T00:00:00.000Z

Link: CVE-2021-30620

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-09-03T20:15:07.900

Modified: 2026-06-17T03:50:34.667

Link: CVE-2021-30620

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

NVD-CWE-noinfo

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{"affected": [{"affectedData": [{"product": "Microsoft Edge (Chromium-based)", "vendor": "Microsoft", "versions": [{"status": "affected", "version": "unspecified"}]}], "source": "chrome-cve-admin@google.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*", "matchCriteriaId": "80E516C0-98A4-4ADE-B69F-66A772E2BAAA", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:edge:*:*:*:*:*:*:*:*", "matchCriteriaId": "A8B292D6-76BC-4B8C-ABC6-3095914F8EB0", "versionEndIncluding": "93.0.961.38", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*", "matchCriteriaId": "135A239A-60C6-4BBB-A5B8-D520D3861AF8", "versionEndIncluding": "93.0.4577.63", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Chromium: CVE-2021-30620 Insufficient policy enforcement in Blink"}, {"lang": "es", "value": "Chromium: CVE-2021-30620 Aplicaci\u00f3n insuficiente de pol\u00edticas en Blink"}], "id": "CVE-2021-30620", "lastModified": "2026-06-17T03:50:34.667", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-09-03T20:15:07.900", "references": [{"source": "chrome-cve-admin@google.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IPJPUSAWIJMQFBQQQYXAICLI4EKFQOH6/"}, {"source": "chrome-cve-admin@google.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-30620"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IPJPUSAWIJMQFBQQQYXAICLI4EKFQOH6/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-30620"}], "sourceIdentifier": "chrome-cve-admin@google.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}