CVE-2021-30827
First published: Mon Sep 13 2021(Updated: )
A permissions issue existed. This issue was addressed with improved permission validation. This issue is fixed in Security Update 2021-005 Catalina, macOS Big Sur 11.6. A local attacker may be able to elevate their privileges.
Credit: Nathan Nye WhiteBeam Security Inc product-security@apple.com an anonymous researcher
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Apple macOS | <11.6 | 11.6 |
| macOS Catalina | ||
| Apple iOS and macOS | >=10.15<=10.15.6 | |
| Apple iOS and macOS | =10.15.7 | |
| Apple iOS and macOS | =10.15.7-security_update_2020 | |
| Apple iOS and macOS | =10.15.7-security_update_2020-001 | |
| Apple iOS and macOS | =10.15.7-security_update_2020-005 | |
| Apple iOS and macOS | =10.15.7-security_update_2020-007 | |
| Apple iOS and macOS | =10.15.7-security_update_2021-001 | |
| Apple iOS and macOS | =10.15.7-security_update_2021-002 | |
| Apple iOS and macOS | =10.15.7-security_update_2021-003 | |
| Apple iOS and macOS | =10.15.7-supplemental_update | |
| Apple iOS and macOS | >=11.0<11.6 |
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/HT212805 (Advisory)
- https://support.apple.com/en-us/HT212804 (Advisory)
Peer vulnerabilities
(Found alongside the following vulnerabilities)
- CVE-2021-30811
- CVE-2021-30838
- CVE-2021-30834
- CVE-2021-30928
- CVE-2021-30860
- CVE-2021-31010
- CVE-2021-30827
- CVE-2021-30828
- CVE-2021-30829
- CVE-2021-22925
- CVE-2021-30832
- CVE-2021-30841
- CVE-2021-30842
- CVE-2021-30843
- CVE-2021-30853
- CVE-2021-30933
- CVE-2021-30835
- CVE-2021-30847
- CVE-2021-30830
- CVE-2021-30865
- CVE-2021-30857
- CVE-2021-30859
- CVE-2021-30864
- CVE-2013-0340
- CVE-2021-30813
- CVE-2021-30819
- CVE-2021-30855
- CVE-2021-30925
- CVE-2021-30850
- CVE-2021-30845
- CVE-2021-30844
- CVE-2021-30858
- CVE-2021-30783
- CVE-2020-29622
- CVE-2021-30713
Frequently Asked Questions
What is CVE-2021-30827?
CVE-2021-30827 is a vulnerability in CUPS that existed due to a permissions issue.
How was CVE-2021-30827 addressed?
CVE-2021-30827 was addressed with improved permission validation.
Is macOS Big Sur affected by CVE-2021-30827?
Yes, macOS Big Sur versions up to 11.6 are affected by CVE-2021-30827.
Is Apple Catalina affected by CVE-2021-30827?
Yes, Apple Catalina is also affected by CVE-2021-30827.
Where can I find more information about CVE-2021-30827?
You can find more information about CVE-2021-30827 on the Apple support website.
- agent/first-publish-date
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/author
- agent/weakness
- agent/severity
- agent/last-modified-date
- agent/references
- agent/event
- agent/description
- agent/trending
- collector/apple-support
- agent/software-canonical-lookup-request
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- vendor/apple
- canonical/apple macos
- canonical/macos catalina
- canonical/apple ios and macos
- version/apple ios and macos/10.15
- version/apple ios and macos/10.15.6
- version/apple ios and macos/10.15.7
- version/apple ios and macos/10.15.7-security_update_2020
- version/apple ios and macos/10.15.7-security_update_2020-001
- version/apple ios and macos/10.15.7-security_update_2020-005
- version/apple ios and macos/10.15.7-security_update_2020-007
- version/apple ios and macos/10.15.7-security_update_2021-001
- version/apple ios and macos/10.15.7-security_update_2021-002
- version/apple ios and macos/10.15.7-security_update_2021-003
- version/apple ios and macos/10.15.7-supplemental_update
- version/apple ios and macos/11.0