An issue existed in the handling of environment variables
Published Oct 16, 2020 ·Due Sep 29, 2022
5.5
MEDIUMCVSS 3.1
EPSS 3.21%
Description
An issue existed in the handling of environment variables. This issue was addressed with improved validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6. A local user may be able to view sensitive user information.
Affected products
-
- Version unspecifiedStatusaffectedConstraints<iOS 13.6 and iPadOS 13.6
- Version
-
- Version unspecifiedStatusaffectedConstraints<macOS Catalina 10.15.6
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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:H/I:N/A:N
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:P/I:N/A:N
Date Added
Sep 8, 2022
Patch Due
Sep 29, 2022
Required Action
Apply updates per vendor instructions.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
ActiveAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Jan 29, 2025 · SSVC 2.0.3
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 v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (26 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 3.21% (0.03208) | 87.74th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.21% (0.03208) | 86.47th | v5 (v2026.06.15) |
| Nov 21, 2025 | 2.44% (0.02438) | 84.66th | v4 (v2025.03.14) |
| Nov 18, 2025 | 4.89% (0.04889) | 88.52th | v4 (v2025.03.14) |
| Mar 30, 2025 | 1.53% (0.01534) | 79.60th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.79% (0.04790) | 82.07th | v4 (v2025.03.14) |
| Mar 28, 2025 | 1.53% (0.01534) | 79.61th | v4 (v2025.03.14) |
| Mar 27, 2025 | 4.79% (0.04790) | 88.01th | v4 (v2025.03.14) |
| Mar 20, 2025 | 1.97% (0.01965) | 81.97th | v4 (v2025.03.14) |
| Mar 19, 2025 | 6.06% (0.06060) | 89.54th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.40% (0.02402) | 83.97th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.12% (0.00124) | 48.46th | v3 (v2023.03.01) |
| Jul 18, 2024 | 0.10% (0.00095) | 40.54th | v3 (v2023.03.01) |
| Jun 15, 2024 | 0.11% (0.00106) | 43.27th | v3 (v2023.03.01) |
| May 13, 2024 | 0.14% (0.00140) | 49.39th | v3 (v2023.03.01) |
| Mar 5, 2024 | 0.13% (0.00128) | 46.56th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.12% (0.00116) | 43.76th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.16% (0.02164) | 80.07th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.16% (0.02164) | 78.16th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.16% (0.02164) | 56.98th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.59% (0.01591) | 33.75th | v1 |
| Jan 6, 2022 | 1.59% (0.01591) | 33.05th | v1 |
| Sep 16, 2021 | 1.59% (0.01591) | 73.17th | v1 |
| Sep 14, 2021 | 0.22% (0.00218) | 3.34th | v1 |
| Sep 1, 2021 | 1.59% (0.01591) | 73.13th | v1 |
| Apr 14, 2021 | 1.59% (0.01591) | 0.00th | v1 |
No CWE recorded.
References (3)
- https://support.apple.com/HT211288 x_refsource_MISCRelease NotesVendor Advisory
- https://support.apple.com/HT211289 x_refsource_MISCRelease NotesVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-9934 government-resourceUS Government Resource
| Link | Providers | Tags |
|---|---|---|
| https://support.apple.com/HT211288 | x_refsource_MISCRelease NotesVendor Advisory | |
| https://support.apple.com/HT211289 | x_refsource_MISCRelease NotesVendor Advisory | |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-9934 | government-resourceUS Government Resource |
Change history (0)
No recorded changes yet.