CVE-2021-30888
7.4
HIGH
CVSS 3.1
EPSS 0.22%
Description
An information leakage issue was addressed. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1. A malicious website using Content Security Policy reports may be able to leak information via redirect behavior .
How to fix CVE-2021-30888
To remediate CVE-2021-30888, upgrade the affected package to a fixed version below.
- Debian/webkit2gtk—upgrade to 2.34.1-1~deb11u1 or later
- —upgrade to 2.34.1-1~deb11u1 or later
Is CVE-2021-30888 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.34.1-1~deb11u1
- from 0, < 2.34.1-1~deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.4 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N |