CVE-2021-41338 Windows AppContainer Firewall Rules Security Feature Bypass Vulnerability
Attackers can bypass Windows AppContainer firewall rules, potentially allowing unauthorized network access from sandboxed applications.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-41338?
CVE-2021-41338 is a medium-severity vulnerability in Microsoft Windows 10, published on 13 Oct 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Windows AppContainer Firewall Rules Security Feature Bypass Vulnerability
Which versions are affected by CVE-2021-41338?
It affects 5 products.
Products include Microsoft Windows 10, Microsoft Windows 11, Microsoft Windows Server 2016, Microsoft Windows Server 2019, Microsoft Windows Server 2022.
How do I fix CVE-2021-41338?
No fix has been published for CVE-2021-41338 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-41338 being exploited?
There is no known exploitation of CVE-2021-41338 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Microsoft Windows 10
- CVE-2015-2426 Microsoft Windows Adobe Type Manager Library Remote Code Execution
- CVE-2015-1769 Microsoft Windows Mount Manager Privilege Escalation
- CVE-2020-1467 Windows Hard Link Elevation of Privilege Vulnerability
- CVE-2021-26424 Windows TCP/IP Remote Code Execution Vulnerability
- CVE-2021-28476 Windows Hyper-V Remote Code Execution Vulnerability
Sources
Also known as GHSA-6738-qwp3-v34h.