A validation issue existed in the handling of symlinks
Published Dec 18, 2019
5.5
MEDIUMCVSS 3.1
EPSS 0.36%
Description
A validation issue existed in the handling of symlinks. This issue was addressed with improved validation of symlinks. This issue is fixed in iOS 12.3, macOS Mojave 10.14.5, tvOS 12.3, watchOS 5.2.1. A local user may be able to modify protected parts of the file system.
Affected products
-
- Version unspecifiedStatusaffectedConstraints<iOS 12.3
- Version
-
- Version unspecifiedStatusaffectedConstraints<macOS Mojave 10.14.5
- Version
-
- Version unspecifiedStatusaffectedConstraints<tvOS 12.3
- Version
-
- Version unspecifiedStatusaffectedConstraints<watchOS 5.2.1
- 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 | 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:L/UI:N/S:U/C:N/I:H/A:N
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:N/I:P/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 2, 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 (8 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 0.36% (0.00355) | 26.96th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.36% (0.00355) | 29.31th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.04% (0.00042) | 5.06th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00950) | 32.28th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.67% (0.01669) | 53.27th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.36% (0.00365) | 3.26th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.08% (0.00081) | 0.00th | v1 |
References (4)
- https://support.apple.com/HT210118 x_refsource_MISCVendor Advisory
- https://support.apple.com/HT210119 x_refsource_MISCVendor Advisory
- https://support.apple.com/HT210120 x_refsource_MISCVendor Advisory
- https://support.apple.com/HT210122 x_refsource_MISCVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://support.apple.com/HT210118 | x_refsource_MISCVendor Advisory | |
| https://support.apple.com/HT210119 | x_refsource_MISCVendor Advisory | |
| https://support.apple.com/HT210120 | x_refsource_MISCVendor Advisory | |
| https://support.apple.com/HT210122 | x_refsource_MISCVendor Advisory |
Change history (0)
No recorded changes yet.