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CVE-2021-30705

20
FAUCET Score

CVE-2021-30705 is a memory disclosure vulnerability affecting various Apple operating systems, including iOS, iPadOS, macOS, tvOS, and watchOS. It allows an attacker to potentially disclose memory contents by tricking a user into processing a maliciously crafted ASTC file. The vulnerability has a medium severity CVSS score of 5.5, indicating a local attack vector with low complexity, requiring user interaction, and primarily impacting confidentiality. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 14.6CPE matchmatch criteria
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
< 14.6CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
>= 10.14, <= 10.14.5CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
>= 10.15, <= 10.15.6CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
10.14.6CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:10.14.6:-:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
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
0.90%
Probability of exploitation in next 30 days
EPSS Percentile
56.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0090 is in the 66th percentile among its peer group of 5,765 CVEs.

Social Chatter

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 / en-us/HT212528
Vendor Advisory
support.apple.com / en-us/HT212529
Vendor Advisory
support.apple.com / en-us/HT212530
Vendor Advisory
support.apple.com / en-us/HT212531
Vendor Advisory
support.apple.com / en-us/HT212532
Vendor Advisory
support.apple.com / en-us/HT212533
Vendor Advisory