CVE-2021-30828
MEDIUMCVSS 5.5/10EPSS 0.27%
Last modified
CVE-2021-30828 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. This issue was addressed with improved checks. This issue is fixed in Security Update 2021-005 Catalina, macOS Big Sur 11.6. EPSS estimates a 0.27% chance of exploitation in the next 30 days.
Description
This issue was addressed with improved checks. This issue is fixed in Security Update 2021-005 Catalina, macOS Big Sur 11.6. A local user may be able to read arbitrary files as root.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Mac Os X | >= 10.15, <= 10.15.6 |
| Apple | Mac Os X | 10.15.7 |
| Apple | Macos | >= 11.0, < 11.6 |
References
- https://support.apple.com/en-us/HT212804Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212805Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212804Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212805Release Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-30828?
This issue was addressed with improved checks. This issue is fixed in Security Update 2021-005 Catalina, macOS Big Sur 11.6. A local user may be able to read arbitrary files as root.
How severe is CVE-2021-30828?
CVE-2021-30828 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.
How do I fix CVE-2021-30828?
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-2021-30828?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST