Vulnerability in Apple Mac OS X
CVE-2018-4251
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.012 (67.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 67.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securitytracker.com/id/1041027 (VDB Entry, Third Party Advisory, vdb-entry)
- support.apple.com/HT208849 (Vendor Advisory)
- seclists.org/fulldisclosure/2019/Mar/45 (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-4251?
- CVE-2018-4251 is a medium-severity vulnerability in Apple Mac OS X, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 5.5/10. Published 2018-06-08.
- How severe is CVE-2018-4251?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2018-4251 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.