Vulnerability Description
Policy bypass in Blink in Google Chrome prior to 91.0.4472.77 allowed a remote attacker to bypass content security policy via a crafted HTML page. (Chromium security severity: Low)
CVSS Score
4.3
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Chrome | < 91.0.4472.77 |
References
- https://chromereleases.googleblog.com/2021/05/stable-channel-update-for-desktop_Release NotesVendor Advisory
- https://crbug.com/1161891ExploitIssue TrackingVendor Advisory
- https://lists.fedoraproject.org/archives/list/[email protected]
- https://chromereleases.googleblog.com/2021/05/stable-channel-update-for-desktop_Release NotesVendor Advisory
- https://crbug.com/1161891ExploitIssue TrackingVendor Advisory
- https://lists.fedoraproject.org/archives/list/[email protected]
FAQ
What is CVE-2021-4321?
CVE-2021-4321 is a vulnerability with a CVSS score of 4.3 (MEDIUM). Policy bypass in Blink in Google Chrome prior to 91.0.4472.77 allowed a remote attacker to bypass content security policy via a crafted HTML page. (Chromium security severity: Low)
How severe is CVE-2021-4321?
CVE-2021-4321 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-4321?
Check the references section above for vendor advisories and patch information. Affected products include: Google Chrome.