synced 6 MIN AGO
01 Record

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.

UnratedPUBLISHEDCNA: apple
CNA base scoreUnratedNo CNA CVSS vector

02 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.

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.28% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 20.5% of scored records. A rank, not a probability.
NVD base score
5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2021-10-19 13:11Z5 YR AGO
Last updated
2024-08-03 22:48Z2 YR AGO
Reserved
2021-04-13
Assigning CNA
apple
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
No CWE assigned
Data version
5.1
Document digest
a87870a4de7d90ca9664165ee49cbd92fa9c89325759ab36e3f54d5a731df5f7

05 Affected products

VendorProductVersionsPlatforms
ApplemacOS< 11.6, < 2021—

06 References