Vulnerability Description
A logic issue was addressed with improved restrictions. 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 remote attacker may be able to cause arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Ipados | < 14.4 |
| Apple | Iphone Os | < 14.4 |
| Apple | Mac Os X | >= 10.15, < 10.15.7 |
| Apple | Macos | >= 11.0.1, < 11.2 |
| Webkitgtk | Webkitgtk | < 2.30.6 |
| Fedoraproject | Fedora | 32 |
References
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproBroken LinkMailing List
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproBroken LinkMailing List
- https://security.gentoo.org/glsa/202104-03Third Party Advisory
- https://support.apple.com/en-us/HT212146Release NotesVendor Advisory
- https://support.apple.com/en-us/HT212147Release NotesVendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproBroken LinkMailing List
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproBroken LinkMailing List
- https://security.gentoo.org/glsa/202104-03Third Party Advisory
- https://support.apple.com/en-us/HT212146Release NotesVendor Advisory
- https://support.apple.com/en-us/HT212147Release NotesVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-US Government Resource
FAQ
What is CVE-2021-1870?
CVE-2021-1870 is a vulnerability with a CVSS score of 9.8 (CRITICAL). A logic issue was addressed with improved restrictions. 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 remot...
How severe is CVE-2021-1870?
CVE-2021-1870 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2021-1870?
Check the references section above for vendor advisories and patch information. Affected products include: Apple Ipados, Apple Iphone Os, Apple Mac Os X, Apple Macos, Webkitgtk Webkitgtk.