CVE-2021-30531: Insufficient policy enforcement in Content Security Policy
Insufficient policy enforcement in Content Security Policy in Google Chrome prior to 91.0.4472.77 allowed a remote attacker to bypass content security policy via a crafted HTML page.
Credit
Affected Software
Remediation
Patch Available
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2021-30521
- CVE-2021-30522
- CVE-2021-30523
- CVE-2021-30524
- CVE-2021-30525
- CVE-2021-30526
- CVE-2021-30527
- CVE-2021-30528
- CVE-2021-4322
- CVE-2021-30529
- CVE-2021-30530
- CVE-2021-30532
- CVE-2021-30533
- CVE-2021-30534
- CVE-2021-30535
- CVE-2021-30542
- CVE-2021-30543
- CVE-2021-30558
- CVE-2021-30536
- CVE-2021-30537
- CVE-2021-30538
- CVE-2021-30539
- CVE-2021-30540
- CVE-2021-4321
Frequently Asked Questions
What is the severity of CVE-2021-30531?
CVE-2021-30531 is categorized as a high-severity vulnerability due to its ability to allow remote attackers to bypass content security policies.
How do I fix CVE-2021-30531?
To fix CVE-2021-30531, users should update Google Chrome to version 91.0.4472.77 or later.
Which versions of Google Chrome are affected by CVE-2021-30531?
CVE-2021-30531 affects all versions of Google Chrome prior to 91.0.4472.77.
Is Fedora affected by CVE-2021-30531?
Yes, Fedora 33 and 34 are affected by CVE-2021-30531 if running an outdated version of Google Chrome.
What kind of attacks can be executed using CVE-2021-30531?
CVE-2021-30531 allows remote attackers to execute arbitrary scripts by bypassing the content security policy through crafted HTML pages.