High severity · published Apr 2, 2021
CVE-2021-1748
A validation issue was addressed with improved input sanitization
8.8
CVSS
2.7%
EPSS
No
On KEV
Description
A validation issue was addressed with improved input sanitization. This issue is fixed in tvOS 14.4, watchOS 7.3, iOS 14.4 and iPadOS 14.4. Processing a maliciously crafted URL may lead to arbitrary javascript code execution.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.7% · higher than 86% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IO
iOS · Apple
before 14.4 · source: NVD
TV
Tvos · Apple
before 14.4 · source: NVD
WA
Watchos · Apple
before 7.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-1748
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-1748
Release Notes
https://support.apple.com/en-us/HT212146
Release Notes
https://support.apple.com/en-us/HT212148
Release Notes
https://support.apple.com/en-us/HT212149
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