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CVE-2021-1801

MEDIUM
6.5
CVSS Score
Published: April 2, 2021 at 06:05 PM UTC
Updated: June 17, 2026 at 03:32 AM UTC
7 products affected across 3 vendorsmacOSFedoraiPhone OS

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Severity
MEDIUM6.5
Exploit prediction
EPSS 2%

Description

This issue was addressed with improved iframe sandbox enforcement. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. Maliciously crafted web content may violate iframe sandboxing policy.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

iPadOS· Apple
95%
v < 14.4
Affected range stops below 14.4, so it looks safe — our inference, not a vendor statement
iPhone OS· Apple
95%
v < 14.4
Affected range stops below 14.4, so it looks safe — our inference, not a vendor statement
macOS· Apple
95%
v < 11.2v < 14.4v < 7.311.0.1 ≤ v < 11.2
Affected range stops below 11.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.3, so it looks safe — our inference, not a vendor statement
tvOS· Apple
95%
v < 14.4
Affected range stops below 14.4, so it looks safe — our inference, not a vendor statement
watchOS· Apple
95%
v < 7.3
Affected range stops below 7.3, so it looks safe — our inference, not a vendor statement
Fedora· Fedora Projectrpm
95%
3233
WebKitGTK· Webkitgtk
95%
v < 2.30.6
Affected range stops below 2.30.6, so it looks safe — our inference, not a vendor statement

References (7)

Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JN6ZOD62CTO54CHTMJTHVEF6R2Y532TJ/
Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/
Vendor Advisoryx_refsource_GENTOOThird Party Advisory
Source: [email protected]
https://security.gentoo.org/glsa/202104-03
x_refsource_MISCVendor Advisory
Source: [email protected]
https://support.apple.com/en-us/HT212146
x_refsource_MISCVendor Advisory
Source: [email protected]
https://support.apple.com/en-us/HT212147
x_refsource_MISCVendor Advisory
Source: [email protected]
https://support.apple.com/en-us/HT212148
x_refsource_MISCVendor Advisory
Source: [email protected]
https://support.apple.com/en-us/HT212149

CVSS

6.5MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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