CVE-2021-30538: Insufficient policy enforcement in content security policy
Published Aug 11, 2020
·Updated
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
Tianze Ding@@D1iv3(Tencent Security Xuanwu Lab)
Affected Software
4 affected componentsFixes available
Google Chrome<91.0.4472.77
91.0.4472.77
Google Chrome<91.0.4472.77
fedoraproject fedora=33
fedoraproject fedora=34
Remediation
Patch Available
Event History
Aug 11, 2020
CVE Published
12:00 AM
Jun 7, 2021
CVE Published
via MITRE·07:25 PM
Data Sourced
via MITRE·07:25 PM
DescriptionWeakness
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-2021-30539
- CVE-2021-30540
- CVE-2021-4321
Frequently Asked Questions
1
What is the severity of CVE-2021-30538?
CVE-2021-30538 is classified as a high-severity vulnerability that allows bypassing of content security policies in Google Chrome.
2
How do I fix CVE-2021-30538?
To fix CVE-2021-30538, update Google Chrome to version 91.0.4472.77 or later.
3
What types of systems are affected by CVE-2021-30538?
CVE-2021-30538 affects Google Chrome versions prior to 91.0.4472.77 and specific versions of Fedora.
4
Can CVE-2021-30538 be exploited remotely?
Yes, CVE-2021-30538 can be exploited remotely by attackers through crafted HTML pages.
5
What impact does CVE-2021-30538 have on users?
CVE-2021-30538 could potentially lead to unauthorized access to sensitive information by bypassing security policies.