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CVE-2021-30665

Date: September 8, 2021

A memory corruption issue was addressed with improved state management. This issue is fixed in watchOS 7.4.1, iOS 14.5.1 and iPadOS 14.5.1, tvOS 14.6, iOS 12.5.3, macOS Big Sur 11.3.1. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..

Severity Score

Related Resources (11)

https://people.canonical.com/~ubuntu-security/cve/CVE-2021-30665
https://nvd.nist.gov/vuln/detail/CVE-2021-30665
https://support.apple.com/en-us/HT212341
https://security-tracker.debian.org/tracker/CVE-2021-30665
https://support.apple.com/en-us/HT212532
https://support.apple.com/en-us/HT212335
https://security.alpinelinux.org/vuln/CVE-2021-30665
https://support.apple.com/en-us/HT212339
https://support.apple.com/en-us/HT212336
https://access.redhat.com/security/cve/CVE-2021-30665
https://www.mend.io/vulnerability-database/CVE-2021-30665

Severity Score

Weakness Type (CWE)

Buffer Errors

CWE-119

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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