CVE-2021-30715 : What You Need to Know
CVE-2021-30715 addresses a logic issue in iOS, iPadOS, macOS, and watchOS. Exploitation may lead to a denial of service. Update devices to secure against potential attacks.
A logic issue was addressed with improved state management in iOS, iPadOS, macOS, and watchOS. Processing a maliciously crafted message may lead to a denial of service.
Understanding CVE-2021-30715
This CVE identifier refers to a logic issue in Apple's operating systems, potentially leading to a denial of service attack.
What is CVE-2021-30715?
The CVE-2021-30715 vulnerability involves a logic issue that was fixed in TVOS 14.6, iOS 14.6, iPadOS 14.6, Security Update 2021-003 Catalina, macOS Big Sur 11.4, and watchOS 7.5. It pertains to processing specifically crafted messages that could trigger the issue.
The Impact of CVE-2021-30715
Exploitation of this vulnerability could result in a denial of service condition on the affected systems. Attackers could potentially disrupt the normal operation of the device by sending malicious messages.
Technical Details of CVE-2021-30715
The vulnerability arises from a flaw in the state management of the affected Apple products, allowing attackers to exploit this weakness.
Vulnerability Description
The issue allows threat actors to craft messages in a way that triggers the flawed state management, leading to a denial of service on the impacted devices.
Affected Systems and Versions
- iOS and iPadOS versions prior to 14.6
- macOS versions prior to 11.4 and 2021
- watchOS versions prior to 7.5
Exploitation Mechanism
By sending specifically crafted messages to devices running the affected versions, cyber attackers can launch denial of service attacks.
Mitigation and Prevention
To safeguard your systems against CVE-2021-30715, consider the following steps:
Immediate Steps to Take
- Update the impacted Apple devices to the patched versions, such as iOS 14.6, iPadOS 14.6, macOS Big Sur 11.4, and watchOS 7.5.
Long-Term Security Practices
- Regularly install security updates provided by Apple to address known vulnerabilities and enhance the overall security posture of the devices.
Patching and Updates
- Keep your operating systems up to date with the latest patches released by Apple to mitigate the risk of exploitation.