Vulnerability Details : CVE-2021-30734
Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Safari 14.1.1, macOS Big Sur 11.4, watchOS 7.5. Processing maliciously crafted web content may lead to arbitrary code execution.
Vulnerability category: Memory Corruption
Products affected by CVE-2021-30734
- 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:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-30734
0.34%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 71 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-30734
| 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-2021-30734
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-30734
-
https://support.apple.com/en-us/HT212533
About the security content of watchOS 7.5 - Apple SupportVendor Advisory
-
https://support.apple.com/en-us/HT212528
About the security content of iOS 14.6 and iPadOS 14.6 - Apple SupportVendor Advisory
-
https://support.apple.com/en-us/HT212532
About the security content of tvOS 14.6 - Apple SupportVendor Advisory
-
https://support.apple.com/en-us/HT212534
About the security content of Safari 14.1.1 - Apple SupportVendor Advisory
-
https://support.apple.com/en-us/HT212529
About the security content of macOS Big Sur 11.4 - Apple SupportVendor Advisory
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