CVE-2021-1879
medium · 6.1Actively exploitedOn the CISA Known Exploited Vulnerabilities catalog
Apply updates per vendor instructions.
Added 2021-11-03Remediation due 2021-11-17
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..
6.1
CVSS
7.1%
EPSS (exploit prob.)
94th
EPSS percentile
2021-04-02
Published
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weaknesses
CWE-79
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| apple | ipados | < 14.4.2 |
| apple | iphone_os | < 12.5.2 |
| apple | iphone_os | >= 13.0, < 14.4.2 |
| apple | watchos | < 7.3.3 |
Check a specific version with /api/v1/cve/match.
References
- https://support.apple.com/en-us/HT212256
- https://support.apple.com/en-us/HT212257
- https://support.apple.com/en-us/HT212258
- https://support.apple.com/en-us/HT212256
- https://support.apple.com/en-us/HT212257
- https://support.apple.com/en-us/HT212258
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-1879
Query this programmatically:
curl https://evil-db.io/api/v1/cve/CVE-2021-1879