CVE-2021-30666

high · 8.8Actively exploited

On the CISA Known Exploited Vulnerabilities catalog

Apply updates per vendor instructions.

Added 2021-11-03Remediation due 2021-11-17

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 12.5.3. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..

8.8

CVSS

3.0%

EPSS (exploit prob.)

87th

EPSS percentile

2021-09-08

Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weaknesses

CWE-119

Affected products

Vendor	Product	Affected versions
apple	iphone_os	< 12.5.3

Check a specific version with /api/v1/cve/match.

References

https://support.apple.com/en-us/HT212341
https://support.apple.com/en-us/HT212341
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30666

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2021-30666