Vulnerability Details : CVE-2021-30758
A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 14.7, Safari 14.1.2, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7. Processing maliciously crafted web content may lead to arbitrary code execution.
Products affected by CVE-2021-30758
- cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-30758
0.46%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 75 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-30758
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2021-30758
-
The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-30758
-
https://support.apple.com/en-us/HT212602
About the security content of macOS Big Sur 11.5 - Apple SupportVendor Advisory
-
https://support.apple.com/en-us/HT212606
About the security content of Safari 14.1.2 - Apple SupportVendor Advisory
-
https://support.apple.com/en-us/HT212604
About the security content of tvOS 14.7 - Apple SupportVendor Advisory
-
https://support.apple.com/en-us/HT212601
About the security content of iOS 14.7 and iPadOS 14.7 - Apple SupportVendor Advisory
-
https://support.apple.com/en-us/HT212605
About the security content of watchOS 7.6 - Apple SupportVendor Advisory
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