CVE-2021-30817
First published: Wed Jul 21 2021(Updated: )
A permissions issue was addressed with improved validation. This issue is fixed in macOS Big Sur 11.5. A malicious application may be able to access data about the accounts the user is using Family Sharing with.
Credit: product-security@apple.com Csaba Fitzl @theevilbit Offensive Security
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Apple macOS Big Sur | <11.5 | 11.5 |
| Apple macOS | <11.5 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://support.apple.com/en-us/HT212602 (Advisory)
Peer vulnerabilities
(Found alongside the following vulnerabilities)
- CVE-2021-30805
- CVE-2021-30871
- CVE-2021-30790
- CVE-2021-31006
- CVE-2021-30781
- CVE-2021-30748
- CVE-2021-30775
- CVE-2021-30776
- CVE-2021-30786
- CVE-2021-30772
- CVE-2021-30783
- CVE-2021-30777
- CVE-2021-30789
- CVE-2021-30774
- CVE-2021-30780
- CVE-2021-30768
- CVE-2021-30817
- CVE-2021-30804
- CVE-2021-30760
- CVE-2021-30788
- CVE-2021-30759
- CVE-2021-30803
- CVE-2021-30779
- CVE-2021-30785
- CVE-2021-30787
- CVE-2021-30766
- CVE-2021-30765
- CVE-2021-30784
- CVE-2021-30793
- CVE-2021-30778
- CVE-2021-30677
- CVE-2021-3518
- CVE-2021-30796
- CVE-2021-30792
- CVE-2021-30791
- CVE-2021-1821
- CVE-2021-30782
- CVE-2021-31004
- CVE-2021-30798
- CVE-2021-30758
- CVE-2021-30795
- CVE-2021-30797
- CVE-2021-30799
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2021-30817.
What is the title of this vulnerability?
The title of this vulnerability is 'Family Sharing. A permissions issue was addressed with improved validation.'
What is the affected software?
The affected software is macOS Big Sur version 11.5.
How can I fix this vulnerability?
Apple has addressed this vulnerability with improved validation. It is recommended to update to macOS Big Sur version 11.5.
Where can I find more information about this vulnerability?
You can find more information about this vulnerability on the [Apple Support website](https://support.apple.com/en-us/HT212602).
- collector/nvd-index
- agent/severity
- agent/references
- agent/author
- agent/type
- agent/event
- agent/description
- agent/softwarecombine
- agent/first-publish-date
- agent/last-modified-date
- collector/apple-support
- agent/software-canonical-lookup-request
- agent/tags
- collector/mitre-cve
- source/MITRE
- vendor/apple
- canonical/apple macos
- canonical/apple macos big sur