CVE-2021-21174

moderate-risk
Published 2021-03-09

Inappropriate implementation in Referrer in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page.

Do I need to act?

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0.80% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (5)

Affected Vendors

Debian Google Fedoraproject

References (14)

Release Notes https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop....
Exploit https://crbug.com/1158010
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
Third Party Advisory https://security.gentoo.org/glsa/202104-08
Third Party Advisory https://www.debian.org/security/2021/dsa-4886
Release Notes https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop....
Exploit https://crbug.com/1158010
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
Third Party Advisory https://security.gentoo.org/glsa/202104-08
Third Party Advisory https://www.debian.org/security/2021/dsa-4886
45
/ 100
moderate-risk
Severity 30/34 · Critical
Exploitability 3/34 · Minimal
Exposure 12/34 · Low