CVE-2021-1855 — Apple Macos vulnerability

3 documents3 sources
Severity
6.5MEDIUMNVD
EPSS
0.2%
top 54.16%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Apple MacosApple Macos BIG SUR
Timeline
PublishedSep 8
Latest updateMay 24

Description

A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.3. A malicious website may be able to force unnecessary network connections to fetch its favicon.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:NExploitability: 3.9 | Impact: 2.5

Affected Packages3 packages

▶CVEListV5apple/macosunspecified — 11.3
▶NVDapple/macos11.0 — 11.3

🔴Vulnerability Details

1
GHSA
GHSA-x2pr-2f5w-h2hj: A logic issue was addressed with improved state management↗2022-05-24
▶

📋Vendor Advisories

1
Apple
CVE-2021-1855: macOS Big Sur 11.3↗2021-04-26
▶