CVE-2021-1861 — Resource Exposure in Apple Macos

CWE-668 — Resource Exposure3 documents3 sources
Severity
4.3MEDIUMNVD
EPSS
0.3%
top 51.58%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Apple MacosApple Macos BIG SUR
Timeline
PublishedSep 8
Latest updateMay 24

Description

An issue existed in determining cache occupancy. The issue was addressed through improved logic. This issue is fixed in macOS Big Sur 11.3. A malicious website may be able to track users by setting state in a cache.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:NExploitability: 2.8 | Impact: 1.4

Affected Packages3 packages

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

🔴Vulnerability Details

1
GHSA
GHSA-mwpq-gg3q-w4qr: An issue existed in determining cache occupancy↗2022-05-24
▶

📋Vendor Advisories

1
Apple
CVE-2021-1861: macOS Big Sur 11.3↗2021-04-26
▶