CVE-2021-30533

MEDIUMCISA KEV

6.5

Description

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.

CVE Details

CVSS v3.1 Score6.5

SeverityMEDIUM

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published6/7/2021

Last Modified10/24/2025

Sourcekev

Honeypot Sightings0

CISA KEV

VendorGoogle

ProductChromium PopupBlocker

Vulnerability NameGoogle Chromium PopupBlocker Security Bypass Vulnerability

KEV Date Added2022-06-27

Remediation Due Date2022-07-18

Ransomware UseUnknown

Affected Products

fedoraproject:fedoragoogle:chrome

Weaknesses (CWE)

CWE-863CWE-863

References

https://chromereleases.googleblog.com/2021/05/stable-channel-update-for-desktop_25.html(chrome-cve-admin@google.com)

https://crbug.com/1145553(chrome-cve-admin@google.com)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43/(chrome-cve-admin@google.com)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAT6EOXVQFE6JFMFQF4IKAOUQSHMHL54/(chrome-cve-admin@google.com)

https://security.gentoo.org/glsa/202107-06(chrome-cve-admin@google.com)

https://chromereleases.googleblog.com/2021/05/stable-channel-update-for-desktop_25.html(af854a3a-2127-422b-91ae-364da2661108)

https://crbug.com/1145553(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43/(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAT6EOXVQFE6JFMFQF4IKAOUQSHMHL54/(af854a3a-2127-422b-91ae-364da2661108)

https://security.gentoo.org/glsa/202107-06(af854a3a-2127-422b-91ae-364da2661108)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30533(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.