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CVE-2014-4451

18
FAUCET Score

CVE-2014-4451 describes a lock-screen bypass vulnerability in Apple iOS versions prior to 8.1.1, affecting iPhones. This flaw allowed physically proximate attackers to bypass the passcode limit through repeated guesses, gaining unauthorized access to the device. With a CVSS score of 7.2, it represents a high-severity local attack requiring low complexity, potentially leading to full compromise of confidentiality, integrity, and availability. While no public exploit code like Metasploit or Nuclei modules are available, the vulnerability garnered some media attention and community discussion upon its disclosure.

Impacted Technologies

VendorProductVersion(s)CPE
<= 8.1CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:8.0:*:*:*:*:*:*:*
8.0.1CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:8.0.1:*:*:*:*:*:*:*
8.0.2CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:8.0.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.2HIGH

AV:L/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.37%
Probability of exploitation in next 30 days
EPSS Percentile
29.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0037 is in the 33rd percentile among its peer group of 3,241 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.5 GitHub mentions.

Media Mentions

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

lists.apple.com / archives/security-announce/2014/Nov/msg00000.html
Vendor Advisory
secunia.com / advisories/62504
exchange.xforce.ibmcloud.com / vulnerabilities/98776
support.apple.com / en-us/HT204418
support.apple.com / en-us/HT6590
Vendor Advisory
securityfocus.com / bid/71138
securitytracker.com / id/1031232