Vulnerability in Apple macOS
CVE-2020-27904
A logic issue existed resulting in memory corruption. This was addressed with improved state management. This issue is fixed in macOS Big Sur 11.0.1. An application may be able to execute arbitrary code with kernel privileges.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.031 (87.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.031 · newest: 0.031 · change: 0.000
Affected products
- Apple macOS — versions unspecified
Public proof-of-concept exploits
References
- support.apple.com/en-us/HT211931 (Vendor Advisory)
- seclists.org/fulldisclosure/2020/Dec/32 (mailing-list, Mailing List, Third Party Advisory)
- support.apple.com/kb/HT212147 (Vendor Advisory)
- seclists.org/fulldisclosure/2021/Feb/14 (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-27904?
- CVE-2020-27904 is a high-severity vulnerability in Apple macOS. CVSS score: 7.8/10. Published 2020-12-08.
- How severe is CVE-2020-27904?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2020-27904 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.