CVE-2021-30800 : What You Need to Know
Discover the impact of CVE-2021-30800, a security flaw in iOS allowing for denial of service or code execution via malicious Wi-Fi. Learn steps to mitigate and prevent exploitation.
This CVE describes a security issue in Apple's iOS that could allow for a denial of service or arbitrary code execution when joining a malicious Wi-Fi network.
Understanding CVE-2021-30800
This CVE refers to a vulnerability in iOS that has been addressed by Apple in the 14.7 update.
What is CVE-2021-30800?
CVE-2021-30800 is a vulnerability in iOS that could potentially lead to a denial of service or arbitrary code execution when connecting to a malicious Wi-Fi network.
The Impact of CVE-2021-30800
Exploitation of this vulnerability could result in a compromised device, leading to a potential denial of service attack or unauthorized code execution.
Technical Details of CVE-2021-30800
This section provides more insight into the vulnerability, affected systems, and how it can be exploited.
Vulnerability Description
The vulnerability in iOS prior to version 14.7 allows attackers to trigger a denial of service or execute arbitrary code through a malicious Wi-Fi network.
Affected Systems and Versions
- Affected Product: iOS
- Vendor: Apple
- Affected Versions: Less than 14.7 (including unspecified)
Exploitation Mechanism
By tricking an iOS device into connecting to a specially crafted Wi-Fi network, an attacker can exploit this vulnerability to disrupt services or execute malicious code.
Mitigation and Prevention
To safeguard your devices and data, follow these recommended steps.
Immediate Steps to Take
- Update your iOS device to version 14.7 or later to patch the vulnerability.
- Avoid connecting to unknown or suspicious Wi-Fi networks to reduce the risk of exploitation.
Long-Term Security Practices
- Regularly install software updates from Apple to keep your device protected against known vulnerabilities.
- Use a virtual private network (VPN) when connecting to public Wi-Fi networks to encrypt your data and enhance security.
Patching and Updates
Apple has released iOS version 14.7, which addresses this vulnerability. Ensure your device is updated to the latest version to mitigate the risk.