CVE-2021-30661 vulnerability in Apple Products
Published on September 8, 2021
Known Exploited Vulnerability
This Apple iOS Webkit Storage Use-After-Free Remote Code Execution Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.
The following remediation steps are recommended / required by November 17, 2021: Apply updates per vendor instructions.
Vulnerability Analysis
CVE-2021-30661 can be exploited with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is a Dangling pointer Vulnerability?
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
CVE-2021-30661 has been classified to as a Dangling pointer vulnerability or weakness.
Products Associated with CVE-2021-30661
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Affected Versions
Apple iOS and iPadOS:- Version unspecified and below 14.5 is affected.
- Version unspecified and below 14.1 is affected.
- Version unspecified and below 14.5 is affected.
- Version unspecified and below 7.4 is affected.
- Version unspecified and below 11.3 is affected.
- Version unspecified and below 12.5 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.