Vulnerability Details : CVE-2021-30957
A buffer overflow issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.1, watchOS 8.3, iOS 15.2 and iPadOS 15.2, tvOS 15.2. Processing a maliciously crafted audio file may lead to arbitrary code execution.
Vulnerability category: Overflow
Products affected by CVE-2021-30957
- 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:macos:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-30957
0.12%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 46 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-30957
| 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 | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2021-30957
-
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-30957
-
https://support.apple.com/en-us/HT212975
About the security content of watchOS 8.3 - Apple SupportRelease Notes;Vendor Advisory
-
https://support.apple.com/en-us/HT212978
About the security content of macOS Monterey 12.1 - Apple SupportRelease Notes;Vendor Advisory
-
https://support.apple.com/en-us/HT212976
About the security content of iOS 15.2 and iPadOS 15.2 - Apple SupportRelease Notes;Vendor Advisory
-
https://support.apple.com/kb/HT212979
About the security content of macOS Big Sur 11.6.2 - Apple SupportRelease Notes;Vendor Advisory
-
https://support.apple.com/en-us/HT212980
About the security content of tvOS 15.2 - Apple SupportRelease Notes;Vendor Advisory
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