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CVE-2020-3918

16
FAUCET Score

CVE-2020-3918 addresses an access issue in Apple's iOS, iPadOS, macOS, tvOS, and watchOS that could allow a local user to view sensitive information due to insufficient sandbox restrictions. With a CVSS score of 5.5 (Medium), this vulnerability requires local access and low privileges, but can lead to high confidentiality impact without user interaction. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE. Apple resolved this issue in iOS 13.4, iPadOS 13.4, macOS Catalina 10.15.4, tvOS 13.4, and watchOS 6.2.

Impacted Technologies

VendorProductVersion(s)CPE
< 13.4CPE matchmatch criteria
cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:*
< 13.4CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
< 10.15.4CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
< 13.4CPE matchmatch criteria
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
< 6.2CPE matchmatch criteria
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.29%
Probability of exploitation in next 30 days
EPSS Percentile
21.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0029 is in the 78th percentile among its peer group of 15,940 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

applevendor investigatingvia nvd_reference
View patch

References

support.apple.com / kb/HT211100
Vendor Advisory
support.apple.com / kb/HT211101
Vendor Advisory
support.apple.com / kb/HT211102
Vendor Advisory
support.apple.com / kb/HT211103
Vendor Advisory