CVSS 3.1
6.1 mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NCVE-2021-1879
Medium (6.1) in Apple iOS, iPadOS, and watchOS. In CISA KEV since 2021-11-03. EPSS 7.1% chance of exploitation in the next 30 days.
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..
Severity
- EPSS
- 7.1% chance of exploitation in the next 30 days; higher than 94% of CVEs (scores of 2026-10-31)
- CISA KEV
- listed 2021-11-03, due 2021-11-17
- CWE
- CWE-79
- Published
- Modified
- Record from
- the NVD, synced
Affected
- apple:ipados
- apple:iphone_os
- apple:watchos