CVE-2021-30762
CVE-2021-30762
Vexday Risk Score
56Attention
SSVC decision (CISA)
Act
Exploitation + impact → act immediately
CVSS 8.8EPSS 11.1%KEV simPoC —Nuclei —Metasploit —Patch —
Lifecycle
08 Sep 2021Published on NVD
03 Nov 2021Active exploitation (CISA KEV)
Recommendation: Patch as soon as possible — active exploitation confirmed.
In short
A memory management flaw in iOS allows attackers to execute arbitrary code by processing malicious web content. This vulnerability was actively exploited in the wild.
Technical detail
Use-after-free vulnerability in iOS 12.5.4 web content processing allows remote code execution via crafted web content without user interaction beyond viewing. The vulnerability stems from improper memory management after object deallocation, enabling arbitrary code execution in the context of the vulnerable process.
Summary generated and translated by AI from the official description.
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 12.5.4. 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..
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products
Apple · iOSWant to know if your infrastructure is exposed to this?
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