CVE-2021-30720
5.4
MEDIUM
CVSS 3.1
EPSS 0.38%
Description
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.
How to fix CVE-2021-30720
To remediate CVE-2021-30720, upgrade the affected package to a fixed version below.
- Debian/webkit2gtk—upgrade to 2.32.3-1 or later
- —upgrade to 2.32.3-1 or later
Is CVE-2021-30720 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.32.3-1
- from 0, < 2.32.3-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.4 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N |