CVE-2021-1871 — Apple iOS, iPadOS, and macOS WebKit Remote Code Execution Vulnerability

provenance: imported · CVE: CVE-2021-1871

CVE-2021-1871: Apple iOS, iPadOS, and macOS WebKit Remote Code Execution Vulnerability

CISA Known Exploited Vulnerability (KEV)


Vendor / project	Apple
Product	iOS, iPadOS, and macOS
Date added	2021-11-03
Due date	2021-11-17
Ransomware campaign use	Unknown

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.

Required action (CISA)

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2021-1871

References

NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-1871
KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog