Vulnerability Description
This issue was addressed by improved management of object lifetimes. This issue is fixed in iOS 12.5.2, iOS 14.4.2 and iPadOS 14.4.2, watchOS 7.3.3. Processing maliciously crafted web content may lead to universal cross site scripting. Apple is aware of a report that this issue may have been actively exploited..
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Ipados | < 14.4.2 |
| Apple | Iphone Os | < 12.5.2 |
| Apple | Watchos | < 7.3.3 |
Related Weaknesses (CWE)
References
- https://support.apple.com/en-us/HT212256Release NotesVendor Advisory
- https://support.apple.com/en-us/HT212257Release NotesVendor Advisory
- https://support.apple.com/en-us/HT212258Release NotesVendor Advisory
- https://support.apple.com/en-us/HT212256Release NotesVendor Advisory
- https://support.apple.com/en-us/HT212257Release NotesVendor Advisory
- https://support.apple.com/en-us/HT212258Release NotesVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-US Government Resource
FAQ
What is CVE-2021-1879?
CVE-2021-1879 is a vulnerability with a CVSS score of 6.1 (MEDIUM). This issue was addressed by improved management of object lifetimes. This issue is fixed in iOS 12.5.2, iOS 14.4.2 and iPadOS 14.4.2, watchOS 7.3.3. Processing maliciously crafted web content may lead...
How severe is CVE-2021-1879?
CVE-2021-1879 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-1879?
Check the references section above for vendor advisories and patch information. Affected products include: Apple Ipados, Apple Iphone Os, Apple Watchos.