MEDIUM
An issue was discovered in certain Apple products
Published Jun 8, 2018
5.5
MEDIUMCVSS 3.0
EPSS 1.23%
Description
An issue was discovered in certain Apple products. macOS before 10.13.5 is affected. The issue involves the "Firmware" component. It allows attackers to modify the EFI flash-memory region that a crafted app that has root access.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
5.5 MEDIUM NVD
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact None
Integrity Impact High
Availability Impact None
7.1 HIGH NVD
AV:N/AC:M/Au:N/C:N/I:C/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact Complete
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.23% 0.01234
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01234
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.23% (0.01234) | 67.93th | v5 (v2026.06.15) |
| Aug 1, 2026 | 1.26% (0.01256) | 66.58th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.10% (0.00100) | 41.87th | v3 (v2023.03.01) |
| Oct 30, 2023 | 0.10% (0.00100) | 41.04th | v3 (v2023.03.01) |
| Jun 2, 2023 | 0.09% (0.00087) | 35.37th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.08% (0.00080) | 32.75th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00954) | 36.37th | v2 (v2022.01.01) |
| Sep 2, 2022 | 0.95% (0.00954) | 34.50th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.95% (0.00954) | 32.50th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00954) | 16.28th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.12% (0.00123) | 0.41th | v1 |
| Apr 14, 2021 | 0.12% (0.00123) | 0.00th | v1 |
Weaknesses (1)
References (3)
- http://seclists.org/fulldisclosure/2019/Mar/45 mailing-listx_refsource_FULLDISCMailing ListThird Party Advisory
- http://www.securitytracker.com/id/1041027 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://support.apple.com/HT208849 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://seclists.org/fulldisclosure/2019/Mar/45 | mailing-listx_refsource_FULLDISCMailing ListThird Party Advisory | |
| http://www.securitytracker.com/id/1041027 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://support.apple.com/HT208849 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner apple
Published Jun 8, 2018
Updated Aug 5, 2024
Reserved Jan 2, 2018
Link CVE-2018-4251
CISA Vulnrichment
Updated n/a