CVE-2020-27900
MEDIUMCVSS 5.5/10EPSS 0.94%
Last modified
CVE-2020-27900 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. An issue existed in the handling of snapshots. The issue was resolved with improved permissions logic. EPSS estimates a 0.94% chance of exploitation in the next 30 days.
Description
An issue existed in the handling of snapshots. The issue was resolved with improved permissions logic. This issue is fixed in macOS Big Sur 11.0.1. A malicious application may be able to preview files it does not have access to.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Macos | < 11.0.1 |
References
- http://seclists.org/fulldisclosure/2020/Dec/32Mailing List, Third Party Advisory
- https://support.apple.com/en-us/HT211931Vendor Advisory
- http://seclists.org/fulldisclosure/2020/Dec/32Mailing List, Third Party Advisory
- https://support.apple.com/en-us/HT211931Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-27900?
An issue existed in the handling of snapshots. The issue was resolved with improved permissions logic. This issue is fixed in macOS Big Sur 11.0.1. A malicious application may be able to preview files it does not have access to.
How severe is CVE-2020-27900?
CVE-2020-27900 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.94% probability of exploitation in the next 30 days.
How do I fix CVE-2020-27900?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2020-27900?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST