CVE-2021-30533

high-risk
Published 2021-06-07

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.

Do I need to act?

!
10.5% chance of exploitation in next 30 days
EPSS score — higher than 89% of all CVEs
!
CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.5/10 Medium
NETWORK / LOW complexity

Affected Products (3)

Affected Vendors

Google Fedoraproject

References (11)

Release Notes https://chromereleases.googleblog.com/2021/05/stable-channel-update-for-desktop_...
Exploit https://crbug.com/1145553
Mailing List https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
Mailing List https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
Third Party Advisory https://security.gentoo.org/glsa/202107-06
Release Notes https://chromereleases.googleblog.com/2021/05/stable-channel-update-for-desktop_...
Exploit https://crbug.com/1145553
Mailing List https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
Mailing List https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
Third Party Advisory https://security.gentoo.org/glsa/202107-06
US Government Resource https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-...
51
/ 100
high-risk
Severity 24/34 · High
Exploitability 18/34 · Moderate
Exposure 9/34 · Low