What’s Vulnerable › Vulnerabilities

CVE-2020-27951

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-04-02 · updated 2026-06-17

Description

This issue was addressed with improved checks. This issue is fixed in watchOS 6.3, iOS 12.5, iOS 14.3 and iPadOS 14.3, watchOS 7.2. Unauthorized code execution may lead to an authentication policy violation.

Affected products

• Apple iPadOS: before 14.3 — fixed in 14.3
• Apple Iphone Os: before 12.5; from 14.0 before 14.3 — fixed in 12.5, 14.3
• Apple watchOS: from 6.0 before 6.3; from 7.0 before 7.2 — fixed in 6.3, 7.2

How to fix

Upgrade to a fixed version: Apple iPadOS 14.3; Apple Iphone Os 12.5, 14.3; Apple watchOS 6.3, 7.2. Check the vendor advisory for mitigations.

References

• https://support.apple.com/en-us/HT212003
• https://support.apple.com/en-us/HT212004
• https://support.apple.com/en-us/HT212006
• https://support.apple.com/en-us/HT212009
• https://support.apple.com/en-us/HT212003
• https://support.apple.com/en-us/HT212004
• https://support.apple.com/en-us/HT212006
• https://support.apple.com/en-us/HT212009

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