CVE-2021-21141 Security feature bypass in Chrome
Remote attackers can bypass file extension policies in Google Chrome via crafted HTML pages, requiring users to update the browser.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2021-21141?
CVE-2021-21141 is a medium-severity vulnerability in Google Chrome, published on 9 Feb 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Insufficient policy enforcement in File System API in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass file extension policy via a crafted HTML page.
Weakness: CWE-74
Which versions are affected by CVE-2021-21141?
It affects 2 products.
Products include Google Chrome, Microsoft Edge.
How do I fix CVE-2021-21141?
Upgrade to a fixed version.
Is CVE-2021-21141 being exploited?
There is no known exploitation of CVE-2021-21141 in the wild and no public exploit code.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2021-21141, GHSA-9v52-j488-6jq9, UBUNTU-CVE-2021-21141.