CVE-2021-30533 - Vulnerability Details - OpenCVE

Insufficient policy enforcement in PopupBlocker in Google Chrome prior to 91.0.4472.77 allowed a remote attacker to bypass navigation restrictions via a crafted iframe.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is in the KEV database since June 27, 2022.

Exploitation active

Automatable no

Technical Impact partial

Vendors	Products
Fedoraproject	Fedora
Google	Chrome

Configuration 1 [-]

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

Configuration 2 [-]

OR	cpe:2.3:o:fedoraproject:fedora:33:::::::*
	cpe:2.3:o:fedoraproject:fedora:34:::::::*

No data.

References

Link	Providers
https://chromereleases.googleblog.com/2021/05/stable-channel-update-for-desktop_25.html
https://crbug.com/1145553
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAT6EOXVQFE6JFMFQF4IKAOUQSHMHL54/
https://security.gentoo.org/glsa/202107-06

History

Fri, 11 Jul 2025 13:45:00 +0000

Type	Values Removed	Values Added
Metrics	epss `{'score': 0.07468}`	epss `{'score': 0.05226}`

Tue, 04 Feb 2025 15:15:00 +0000

Type	Values Removed	Values Added
Metrics	ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`	ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'active', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Mon, 03 Feb 2025 14:15:00 +0000

Type	Values Removed	Values Added
Metrics		kev `{'dateAdded': '2022-06-27'}` ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: Chrome

Published: 2021-06-07T19:25:48.000Z

Updated: 2025-02-04T15:06:31.893Z

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

Link: CVE-2021-30533

Vulnrichment

Updated: 2024-08-03T22:32:41.139Z

NVD

Status : Analyzed

Published: 2021-06-07T20:15:08.730

Modified: 2025-02-05T14:01:03.340

Link: CVE-2021-30533

Redhat

No data.

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bypass navigation restrictions via a crafted iframe."}, {"lang": "es", "value": "Una aplicaci\u00f3n insuficiente de las pol\u00edticas en PopupBlocker en Google Chrome anterior a versi\u00f3n 91.0.4472.77, permit\u00eda a un atacante remoto omitir las restricciones de navegaci\u00f3n por medio de un iframe dise\u00f1ado"}], "id": "CVE-2021-30533", "lastModified": "2025-02-05T14:01:03.340", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": 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