CVE-2021-1781: Medium severity apple macos vulnerability
A privacy issue existed in the handling of Contact cards. This was addressed with improved state management. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, iOS 14.4 and iPadOS 14.4. A malicious application may be able to leak sensitive user information.
Other sources
Messages. A privacy issue existed in the handling of Contact cards. This was addressed with improved state management.
Credit
Affected Software
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2021-1761
- CVE-2021-1797
- CVE-2020-27945
- CVE-2021-1760
- CVE-2021-1747
- CVE-2021-1776
- CVE-2021-1759
- CVE-2021-1772
- CVE-2021-1792
- CVE-2021-1787
- CVE-2021-1786
- CVE-2020-27937
- CVE-2021-1802
- CVE-2021-1791
- CVE-2021-1790
- CVE-2021-1775
- CVE-2020-29608
- CVE-2021-1758
- CVE-2021-1783
- CVE-2021-1741
- CVE-2021-1743
- CVE-2021-1773
- CVE-2021-1778
- CVE-2021-1736
- CVE-2021-1785
- CVE-2021-1766
- CVE-2021-1818
- CVE-2021-1742
- CVE-2021-1746
- CVE-2021-1754
- CVE-2021-1774
- CVE-2021-1777
- CVE-2021-1793
- CVE-2021-1737
- CVE-2021-1738
- CVE-2021-1744
- CVE-2021-1779
- CVE-2021-1757
- CVE-2020-27904
- CVE-2021-1764
- CVE-2021-1782
- CVE-2021-1750
- CVE-2020-29633
- CVE-2021-1781
- CVE-2021-1771
- CVE-2021-1762
- CVE-2020-29614
- CVE-2021-1763
- CVE-2021-1767
- CVE-2021-1745
- CVE-2021-1753
- CVE-2021-1768
- CVE-2021-1751
- CVE-2020-25709
- CVE-2020-27938
- CVE-2019-20838
- CVE-2020-14155
- CVE-2020-15358
- CVE-2021-1769
- CVE-2021-1788
- CVE-2021-1765
- CVE-2021-1801
- CVE-2021-1789
- CVE-2021-1871
- CVE-2021-1870
- CVE-2021-1799
- CVE-2021-30869
- CVE-2021-1794
- CVE-2021-1795
- CVE-2021-1796
- CVE-2021-1780
- CVE-2021-1838
- CVE-2021-1748
- CVE-2021-1756
Frequently Asked Questions
What is the vulnerability severity of CVE-2021-1781?
The severity of CVE-2021-1781 is not specified in the provided information.
How does CVE-2021-1781 affect macOS Big Sur 11.2?
CVE-2021-1781 affects macOS Big Sur 11.2.
What software versions are affected by CVE-2021-1781?
macOS Big Sur 11.2 and iOS 14.4 are affected by CVE-2021-1781.
How can I fix CVE-2021-1781?
To fix CVE-2021-1781, update to the latest version of macOS or iOS provided by Apple.
Where can I find more information about CVE-2021-1781?
You can find more information about CVE-2021-1781 on the Apple support website at the following links: [link1](https://support.apple.com/en-us/HT212147) and [link2](https://support.apple.com/en-us/HT212146).