CVE Vulnerabilities

CVE-2021-30720

Improper Authentication

Published: Sep 08, 2021 | Modified: Jan 09, 2023
CVSS 3.x
5.4
MEDIUM
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
CVSS 2.x
5.8 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:N
RedHat/V2
RedHat/V3
Ubuntu

A logic issue was addressed with improved restrictions. 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. A malicious website may be able to access restricted ports on arbitrary servers.

Weakness

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

Affected Software

Name Vendor Start Version End Version
Safari Apple * 14.1.1 (excluding)
Ipados Apple * 14.6 (excluding)
Iphone_os Apple * 14.6 (excluding)
Macos Apple 11.0.1 (including) 11.4 (excluding)
Tvos Apple * 14.6 (excluding)
Watchos Apple * 7.5 (excluding)

Potential Mitigations

References