A logic issue was addressed with improved state management
Published Dec 8, 2020
5.5
MEDIUMCVSS 3.1
EPSS 1.10%
Description
A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.0.1, iOS 14.2 and iPadOS 14.2, tvOS 14.2, watchOS 7.1. A malicious application may be able to determine kernel memory layout.
Affected products
-
- Version unspecifiedStatusaffectedConstraints<14.2
- Version
-
- Version unspecifiedStatusaffectedConstraints<11.0
- Version
-
- Version unspecifiedStatusaffectedConstraints<14.2
- Version
-
- Version unspecifiedStatusaffectedConstraints<7.1
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Apple | iOS and iPadOS | n/a |
| ||||||
| Apple | macOS | n/a |
| ||||||
| Apple | tvOS | n/a |
| ||||||
| Apple | watchOS | n/a |
|
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 1.10% (0.01103) | 64.59th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.10% (0.01103) | 64.28th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.10% (0.00100) | 41.76th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.10% (0.00100) | 40.52th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.09% (0.00088) | 35.89th | v3 (v2023.03.01) |
| Mar 6, 2023 | 5.13% (0.05130) | 89.57th | v2 (v2022.01.01) |
| Mar 22, 2022 | 5.13% (0.05130) | 75.56th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.83% (0.03828) | 67.28th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.09% (0.01095) | 28.75th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.09% (0.01095) | 0.00th | v1 |
No CWE recorded.
References (7)
- http://seclists.org/fulldisclosure/2020/Dec/26 mailing-listx_refsource_FULLDISCMailing ListThird Party Advisory
- http://seclists.org/fulldisclosure/2020/Dec/32 mailing-listx_refsource_FULLDISCMailing ListThird Party Advisory
- https://support.apple.com/en-us/HT211928 x_refsource_MISCVendor Advisory
- https://support.apple.com/en-us/HT211929 x_refsource_MISCVendor Advisory
- https://support.apple.com/en-us/HT211930 x_refsource_MISCVendor Advisory
- https://support.apple.com/en-us/HT211931 x_refsource_MISCVendor Advisory
- https://support.apple.com/kb/HT212011 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://seclists.org/fulldisclosure/2020/Dec/26 | mailing-listx_refsource_FULLDISCMailing ListThird Party Advisory | |
| http://seclists.org/fulldisclosure/2020/Dec/32 | mailing-listx_refsource_FULLDISCMailing ListThird Party Advisory | |
| https://support.apple.com/en-us/HT211928 | x_refsource_MISCVendor Advisory | |
| https://support.apple.com/en-us/HT211929 | x_refsource_MISCVendor Advisory | |
| https://support.apple.com/en-us/HT211930 | x_refsource_MISCVendor Advisory | |
| https://support.apple.com/en-us/HT211931 | x_refsource_MISCVendor Advisory | |
| https://support.apple.com/kb/HT212011 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.