CVE-2021-30539: 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
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Google Chrome (Trace Event)to a version that resolves this vulnerability.Fixed in 91.0.4472.77 - Upgrade
Upgrade
alpine/chromiumto a version that resolves this vulnerability.Fixed in 91.0.4472.77-r0
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-2021-30531
- 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-2021-30540
- CVE-2021-4321
Frequently Asked Questions
What is the severity of CVE-2021-30539?
CVE-2021-30539 has been rated as a high severity vulnerability due to its potential to allow a remote attacker to bypass content security policies.
How do I fix CVE-2021-30539?
To fix CVE-2021-30539, users should upgrade Google Chrome to version 91.0.4472.77 or later.
What software versions are affected by CVE-2021-30539?
CVE-2021-30539 affects Google Chrome versions prior to 91.0.4472.77, and Fedora versions 33 and 34.
Can CVE-2021-30539 be exploited remotely?
Yes, CVE-2021-30539 can be exploited remotely via a crafted HTML page.
What is the nature of the vulnerability in CVE-2021-30539?
CVE-2021-30539 involves insufficient policy enforcement in the content security policy of Google Chrome.