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CVE-2020-9961

26
FAUCET Score

CVE-2020-9961 is an out-of-bounds read vulnerability affecting multiple Apple products, including macOS, iOS, iPadOS, tvOS, watchOS, and iTunes. This flaw, addressed by improved input validation in various security updates, could allow an attacker to achieve arbitrary code execution by processing a specially crafted image. With a CVSS score of 7.8 (HIGH), the vulnerability requires user interaction (UI:R) and local access (AV:L), but successful exploitation could lead to high impact on confidentiality, integrity, and availability (C:H/I:H/A:H). Currently, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 11.5CPE matchmatch criteria
cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:*
< 12.10.9CPE matchmatch criteria
cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:*
< 14.0CPE matchmatch criteria
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
< 14.0CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
>= 10.13, < 10.13.6CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.59%
Probability of exploitation in next 30 days
EPSS Percentile
73.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0159 is in the 72nd percentile among its peer group of 11,621 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 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 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

applevendor investigatingvia nvd_reference
View patch

References

seclists.org / fulldisclosure/2020/Nov/19
Mailing ListThird Party Advisory
seclists.org / fulldisclosure/2020/Nov/20
Mailing ListThird Party Advisory
seclists.org / fulldisclosure/2020/Nov/21
Mailing ListThird Party Advisory
seclists.org / fulldisclosure/2020/Nov/22
Mailing ListThird Party Advisory
support.apple.com / en-us/HT211849
Release NotesVendor Advisory
support.apple.com / kb/HT211843
Vendor Advisory
support.apple.com / kb/HT211844
Vendor Advisory
support.apple.com / kb/HT211850
Vendor Advisory
support.apple.com / kb/HT211935
Vendor Advisory
support.apple.com / kb/HT211952
Vendor Advisory