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CVE-2021-30702

19
FAUCET Score

CVE-2021-30702 describes a logic issue in macOS, affecting Big Sur, Catalina, and Mojave, that allows a physically present attacker to bypass the Login Window. With a CVSS score of 4.6 (Medium), this vulnerability requires physical access to the device (AV:P) and has a high impact on integrity (I:H) by allowing unauthorized access. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage, indicating low current threat activity. The issue was addressed with improved state management in macOS Big Sur 11.4 and subsequent security updates.

Impacted Technologies

VendorProductVersion(s)CPE
< 11.4CPE match
cpe:2.3:a:apple:macos:*:*:*:*:*:*:*:*
< 2021CPE match
cpe:2.3:a:apple:macos:*:*:*:*:*:*:*:*
>= 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

4.6MEDIUM

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

Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
0.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.30%
Probability of exploitation in next 30 days
EPSS Percentile
22.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0030 is in the 46th percentile among its peer group of 1,532 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.2 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/HT212529
Release NotesVendor Advisory
support.apple.com / en-us/HT212530
Release NotesVendor Advisory
support.apple.com / en-us/HT212531
Release NotesVendor Advisory