CVE-2021-30689

MediumCVSS 6.1/10Last modified Jun 17, 2026

Description

A logic issue was addressed with improved state management. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Safari 14.1.1, macOS Big Sur 11.4, watchOS 7.5. Processing maliciously crafted web content may lead to universal cross site scripting.

Metrics

CVSS 3.1 6.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

No affected versions have been published.

Timeline

Published
Sep 8, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-306909.8Multiple issues in apache were addressed by updating apache to version 2.4.46. This issue is fixed in Security Update 2021-004 Mojave. MultiCVE-2021-306915.5An information disclosure issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.4, Security Update 202CVE-2021-306925.5An information disclosure issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.4, Security Update 202CVE-2021-306937.8A validation issue was addressed with improved logic. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, SecurityCVE-2021-306945.5An information disclosure issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.4, Security Update 202CVE-2021-306955.5An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 CatalCVE-2021-306965.9An attacker in a privileged network position may be able to misrepresent application state. This issue is fixed in macOS Big Sur 11.4, SecurCVE-2021-306975.5A logic issue was addressed with improved state management. This issue is fixed in tvOS 14.6, Security Update 2021-004 Mojave, iOS 14.6 and CVE-2021-306987.5A null pointer dereference was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.4, Safari 14.1.1, iOS 14.6 CVE-2021-306994.6A window management issue was addressed with improved state management. This issue is fixed in iOS 14.6 and iPadOS 14.6. A user may be able CVE-2021-307005.5This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.4, tvOS 14.6, watchOS 7.5, iOS 14.6 and iPadOS 14.6. CVE-2021-307017.8This issue was addressed with improved checks. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Security Update 2021-003 Catalina
CVE-2021-30689: Medium severity, CVSS 6.1 | Vulnix