CVE-2021-1805: Input Validation
First published: Tue Feb 09 2021(Updated: )
An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.2.1, macOS Catalina 10.15.7 Supplemental Update, macOS Mojave 10.14.6 Security Update 2021-002. An application may be able to execute arbitrary code with kernel privileges.
Credit: product-security@apple.com ABC Research s.r.o. Trend Micro Zero Day Initiative
| Affected Software | Affected Version | How to fix |
|---|---|---|
| macOS Yosemite | >=10.14<10.14.6 | |
| macOS Yosemite | >=10.15<10.15.7 | |
| macOS Yosemite | =10.14.6 | |
| macOS Yosemite | =10.14.6-security_update_2019-001 | |
| macOS Yosemite | =10.14.6-security_update_2019-002 | |
| macOS Yosemite | =10.14.6-security_update_2020-001 | |
| macOS Yosemite | =10.14.6-security_update_2020-002 | |
| macOS Yosemite | =10.14.6-security_update_2020-003 | |
| macOS Yosemite | =10.14.6-security_update_2020-004 | |
| macOS Yosemite | =10.14.6-security_update_2020-005 | |
| macOS Yosemite | =10.14.6-security_update_2020-006 | |
| macOS Yosemite | =10.14.6-security_update_2020-007 | |
| macOS Yosemite | =10.14.6-security_update_2021-001 | |
| macOS Yosemite | =10.14.6-security_update_2021-002 | |
| macOS Yosemite | =10.14.6-supplemental_update | |
| macOS Yosemite | =10.14.6-supplemental_update_2 | |
| macOS Yosemite | =10.15.7 | |
| macOS Yosemite | =10.15.7-security_update_2020-001 | |
| macOS Yosemite | =10.15.7-supplemental_update | |
| Apple macOS | >=11.0<11.2 | |
| macOS Mojave | ||
| Apple macOS | <11.2.1 | 11.2.1 |
| Apple macOS Supplemental Update | <10.15.7 | 10.15.7 |
| macOS Mojave | <10.14.6 | 10.14.6 |
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Reference Links
Peer vulnerabilities
(Found alongside the following vulnerabilities)
- CVE-2021-1797
- CVE-2021-1808
- CVE-2021-1857
- CVE-2021-1809
- CVE-2021-1847
- CVE-2021-1811
- CVE-2020-8284
- CVE-2020-8285
- CVE-2020-8286
- CVE-2021-1784
- CVE-2021-1881
- CVE-2020-27942
- CVE-2021-1813
- CVE-2021-1843
- CVE-2021-1805
- CVE-2021-1806
- CVE-2021-1834
- CVE-2021-1860
- CVE-2021-1851
- CVE-2021-1840
- CVE-2021-30652
- CVE-2021-1875
- CVE-2021-1876
- CVE-2021-1739
- CVE-2021-1878
- CVE-2021-1868
- CVE-2020-8037
- CVE-2021-1839
- CVE-2021-1828
- CVE-2020-3838
- CVE-2021-1873
- CVE-2021-3156
Frequently Asked Questions
What is the vulnerability ID for this vulnerability?
The vulnerability ID for this vulnerability is CVE-2021-1805.
What is the severity level of CVE-2021-1805?
The severity level of CVE-2021-1805 is not specified in the information provided.
Which software is affected by CVE-2021-1805?
The affected software includes Apple Mojave, Apple macOS Big Sur (up to version 11.2.1), Apple macOS Catalina Supplemental Update (up to version 10.15.7), and Apple macOS Mojave (up to version 10.14.6).
How can I fix CVE-2021-1805?
To fix CVE-2021-1805, update your software to the latest available version provided by Apple.
Where can I find more information about CVE-2021-1805?
You can find more information about CVE-2021-1805 on the following references: [Reference 1](https://support.apple.com/en-us/HT212327) and [Reference 2](https://support.apple.com/en-us/HT212177).
- agent/type
- agent/first-publish-date
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/last-modified-date
- agent/severity
- agent/weakness
- agent/description
- agent/event
- agent/trending
- agent/source
- collector/apple-support
- agent/software-canonical-lookup-request
- agent/author
- collector/nvd-index
- agent/softwarecombine
- agent/tags
- vendor/apple
- canonical/macos mojave
- canonical/apple macos
- canonical/apple macos supplemental update
- canonical/apple ios and macos
- version/apple ios and macos/10.14
- version/apple ios and macos/10.15
- version/apple ios and macos/10.14.6
- version/apple ios and macos/10.14.6-security_update_2019-001
- version/apple ios and macos/10.14.6-security_update_2019-002
- version/apple ios and macos/10.14.6-security_update_2020-001
- version/apple ios and macos/10.14.6-security_update_2020-002
- version/apple ios and macos/10.14.6-security_update_2020-003
- version/apple ios and macos/10.14.6-security_update_2020-004
- version/apple ios and macos/10.14.6-security_update_2020-005
- version/apple ios and macos/10.14.6-security_update_2020-006
- version/apple ios and macos/10.14.6-security_update_2020-007
- version/apple ios and macos/10.14.6-security_update_2021-001
- version/apple ios and macos/10.14.6-security_update_2021-002
- version/apple ios and macos/10.14.6-supplemental_update
- version/apple ios and macos/10.14.6-supplemental_update_2
- version/apple ios and macos/10.15.7
- version/apple ios and macos/10.15.7-security_update_2020-001
- version/apple ios and macos/10.15.7-supplemental_update
- version/apple ios and macos/11.0