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01 Record

CVE-2021-30751

This issue was addressed with improved data protection. This issue is fixed in macOS Big Sur 11.4. A malicious application may be able to bypass certain Privacy preferences.

UnratedPUBLISHEDCNA: apple
CNA base scoreUnratedNo CNA CVSS vector

02 Description

This issue was addressed with improved data protection. This issue is fixed in macOS Big Sur 11.4. A malicious application may be able to bypass certain Privacy preferences.

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
0.76% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 55.0% 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:N/UI:R/S:U/C:N/I:H/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
2021-09-08 13:45Z5 YR AGO
Last updated
2024-08-03 22:40Z2 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
297c7145d75cd324adc1d57b70127901cbfabc79b1f7d83f6e2360c5dcd0e3c1

05 Affected products

VendorProductVersionsPlatforms
ApplemacOS< 11.4—

06 References