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CVE-2020-3899

29
FAUCET Score

CVE-2020-3899 addresses a memory consumption issue in Apple's iOS, iPadOS, tvOS, watchOS, Safari, iTunes for Windows, and iCloud for Windows. This vulnerability, rated 8.8 HIGH, allows a remote attacker to achieve arbitrary code execution due to improved memory handling not being properly implemented. While the CVSS score indicates a high severity with low attack complexity and high impact on confidentiality, integrity, and availability, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 7.18CPE matchmatch criteria
cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:*
>= 10.0.0, < 10.9.3CPE matchmatch criteria
cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:*
< 12.10.5CPE matchmatch criteria
cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:*
< 13.1CPE matchmatch criteria
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
< 13.4CPE matchmatch criteria
cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
4.02%
Probability of exploitation in next 30 days
EPSS Percentile
89.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0402 is in the 89th percentile among its peer group of 14,875 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: webkitgtk4-0:2.28.2-2.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: webkit2gtk3-0:2.28.4-1.el8
View patch
applevendor investigatingvia nvd_reference
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: webkitgtk3

Vendor Advisories (1)

redhatCVE-2020-3899Moderate

webkitgtk: Memory consumption issue leading to arbitrary code execution

Apr 27, 2020

References

support.apple.com / HT211101
Release NotesVendor Advisory
support.apple.com / HT211102
Release NotesVendor Advisory
support.apple.com / HT211104
Release NotesVendor Advisory
support.apple.com / HT211105
Release NotesVendor Advisory
support.apple.com / HT211106
Release NotesVendor Advisory
support.apple.com / HT211107
Release NotesVendor Advisory