CVE-2021-4321

Severity Score

4.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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)

*Credits: N/A

CVSS Scores

NISTv3.1 4.3

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2023-02-12 CVE Reserved
2023-07-28 CVE Published
2024-08-03 CVE Updated
2024-08-03 First Exploit
2024-08-29 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CAPEC

References (3)

URL	Tag	Source
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PQKT7EGDD2P3L7S3NXEDDRCPK4NNZNWJ

URL	Date	SRC
https://crbug.com/1161891	2024-08-03

URL	Date	SRC

URL	Date	SRC
https://chromereleases.googleblog.com/2021/05/stable-channel-update-for-desktop_25.html	2023-08-12

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Google Search vendor "Google"		Chrome Search vendor "Google" for product "Chrome"				< 91.0.4472.77 Search vendor "Google" for product "Chrome" and version " < 91.0.4472.77"		-		Affected