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CVE-2017-7149

21
FAUCET Score

CVE-2017-7149 is a high-severity vulnerability affecting macOS versions prior to 10.13 Supplemental Update, specifically within the StorageKit component. This flaw allows an authenticated local attacker to discover passwords for APFS encrypted volumes. The vulnerability arises because Disk Utility inadvertently stored the actual password as the hint value. While there is no known active exploitation or publicly available exploit code, the potential impact is significant, as it grants full confidentiality, integrity, and availability compromise of affected volumes.

Impacted Technologies

VendorProductVersion(s)CPE
<= 10.13CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.50%
Probability of exploitation in next 30 days
EPSS Percentile
39.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0050 is in the 80th percentile among its peer group of 17,061 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

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

hackernoon.com / new-macos-high-sierra-vulnerability-exposes-the-password-of-an-encrypted-apfs-container-b4f2f5326e79
ExploitThird Party Advisory
nakedsecurity.sophos.com / 2017/10/05/urgent-update-your-mac-again-right-now
ExploitTechnical DescriptionThird Party Advisory
support.apple.com / HT208165
Vendor Advisory
theregister.co.uk / 2017/10/05/apple_patches_password_hint_bug_that_revealed_password
ExploitPress/Media CoverageThird Party Advisory
securityfocus.com / bid/101178
Third Party AdvisoryVDB Entry
securitytracker.com / id/1039513
Third Party AdvisoryVDB Entry