What’s Vulnerable › Vulnerabilities

CVE-2020-29623

• Severity: low (CVSS 3.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-04-02 · updated 2026-06-17

Description

"Clear History and Website Data" did not clear the history. The issue was addressed with improved data deletion. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, iOS 14.3 and iPadOS 14.3, tvOS 14.3. A user may be unable to fully delete browsing history.

Affected products

• Apple iPadOS: before 14.3 — fixed in 14.3
• Apple Iphone Os: before 14.3 — fixed in 14.3
• macOS: from 10.14 before 10.14.6; from 10.15 before 10.15.7; 10.14.6, 10.14.6-security_update_2019-001, 10.14.6-security_update_2019-002, 10.14.6-security_update_2020-001, 10.14.6-security_update_2020-002, 10.14.6-security_update_2020-003 (+7) — fixed in 10.14.6, 10.15.7
• Apple macOS: from 11.0 before 11.1.0 — fixed in 11.1.0
• Apple tvOS: before 14.3 — fixed in 14.3
• Fedoraproject Fedora: 32, 33
• Webkit: before 2.30.6 — fixed in 2.30.6

How to fix

Upgrade to a fixed version: Apple iPadOS 14.3; Apple Iphone Os 14.3; macOS 10.14.6, 10.15.7; Apple macOS 11.1.0; Apple tvOS 14.3; Webkit 2.30.6. Check the vendor advisory for mitigations.

References

• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JN6ZOD62CTO54CHTMJTHVEF6R2Y532TJ/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/
• https://security.gentoo.org/glsa/202104-03
• https://support.apple.com/en-us/HT212003
• https://support.apple.com/en-us/HT212005
• https://support.apple.com/en-us/HT212011
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JN6ZOD62CTO54CHTMJTHVEF6R2Y532TJ/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/
• https://security.gentoo.org/glsa/202104-03
• https://support.apple.com/en-us/HT212003
• https://support.apple.com/en-us/HT212005
• https://support.apple.com/en-us/HT212011

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