CVE-2021-1843

CVE-2021-1843: vulnerability in Apple watchOS

Published · Updated

Follow this CVE+ Monitor macOS+ Monitor iOS

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

3Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackepss 1.3%
This issue was addressed with improved checks. This issue is fixed in Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. Processing a maliciously crafted image may lead to arbitrary code execution.
Affected products
Apple · iOS and iPadOSApple · macOSApple · tvOSApple · watchOS
Related CVEs — Apple watchOS

In the same product, most dangerous first.

CVE-2021-30860HIGHCVE-2021-30860EPSS 76.0%KEVCVE-2021-30657MEDIUMCVE-2021-30657EPSS 68.5%KEVCVE-2025-43300CRITICALCVE-2025-43300EPSS 65.2%KEVCVE-2023-41064HIGHCVE-2023-41064EPSS 53.4%KEVCVE-2023-32434HIGHCVE-2023-32434EPSS 51.5%KEVCVE-2021-30807HIGHCVE-2021-30807EPSS 28.8%KEV