CVE detail
CVE-2021-1871 — Apple iOS, iPadOS, and macOS WebKit Remote Code Execution Vulnerability
Published 2021-11-03 · Modified 2021-11-03 · Source kev
HIGH
severity
CVSS-derived band
0.0712
EPSS probability
exploitation probability, 30d
94.0%
EPSS percentile
percentile vs all CVEs
LISTED
CISA KEV
due 2021-11-17
⚠ Actively exploited in the wild — CISA KEV listed 2021-11-03, federal remediation due 2021-11-17.
Description
Apple iOS, iPadOS, and macOS WebKit contain an unspecified logic vulnerability that allows a remote attacker to execute code. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.
Remediation
No vendor-published fix data in our corpus for this CVE. Check the references below or the vendor's PSIRT / security advisories page.
References