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.
Published 2021-06-07 20:15:09
Updated 2024-02-15 02:00:02
Source Chrome
View at NVD,   CVE.org

CVE-2021-30533 is in the CISA Known Exploited Vulnerabilities Catalog

CISA vulnerability name:
Google Chromium PopupBlocker Security Bypass Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
Google Chromium PopupBlocker contains an insufficient policy enforcement vulnerability that allows a remote attacker to bypass navigation restrictions via a crafted iframe. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Micr
Added on 2022-06-27 Action due date 2022-07-18

Exploit prediction scoring system (EPSS) score for CVE-2021-30533

1.74%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 88 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-30533

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.3
MEDIUM AV:N/AC:M/Au:N/C:N/I:P/A:N
8.6
2.9
NIST
6.5
MEDIUM CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
2.8
3.6
NIST

CWE ids for CVE-2021-30533

  • The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-30533

Products affected by CVE-2021-30533

This web site uses cookies for managing your session, storing preferences, website analytics and additional purposes described in our privacy policy.
By using this web site you are agreeing to CVEdetails.com terms of use!