Vulnerability Details : CVE-2021-30883
A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 15.0.2 and iPadOS 15.0.2, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1, macOS Big Sur 11.6.1. An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited..
Vulnerability category: Memory CorruptionExecute code
Products affected by CVE-2021-30883
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
- 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:12.0:*:*:*:*:*:*:*
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:*
CVE-2021-30883 is in the CISA Known Exploited Vulnerabilities Catalog
CISA vulnerability name:
Apple Multiple Products Memory Corruption Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
Apple iOS, macOS, watchOS, and tvOS contain a memory corruption vulnerability that could allow for remote code execution.
Notes:
https://nvd.nist.gov/vuln/detail/CVE-2021-30883
Added on
2022-05-23
Action due date
2022-06-13
Exploit prediction scoring system (EPSS) score for CVE-2021-30883
0.44%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 60 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-30883
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
9.3
|
HIGH | AV:N/AC:M/Au:N/C:C/I:C/A:C |
8.6
|
10.0
|
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
|
134c704f-9b21-4f2e-91b3-4a467353bcc0 | 2025-01-29 |
|
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-2021-30883
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by:
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
- nvd@nist.gov (Primary)
References for CVE-2021-30883
-
https://support.apple.com/en-us/HT212874
About the security content of watchOS 8.1 - Apple SupportVendor Advisory
-
https://support.apple.com/en-us/HT212846
About the security content of iOS 15.0.2 and iPadOS 15.0.2 - Apple SupportVendor Advisory
-
https://support.apple.com/en-us/HT212872
About the security content of macOS Big Sur 11.6.1 - Apple SupportVendor Advisory
-
https://support.apple.com/en-us/HT212869
About the security content of macOS Monterey 12.0.1 - Apple SupportVendor Advisory
-
https://support.apple.com/en-us/HT212876
About the security content of tvOS 15.1 - Apple SupportVendor Advisory
-
https://support.apple.com/en-us/HT212868
About the security content of iOS 14.8.1 and iPadOS 14.8.1 - Apple SupportVendor Advisory
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