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CVE-2011-3442

25
FAUCET Score

CVE-2011-3442 describes a critical vulnerability in Apple iOS before version 5.0.1, where the kernel fails to validate flag combinations during an mmap system call. This flaw allows local users, through a specially crafted application, to execute arbitrary unsigned code on affected iPhone OS devices. With a CVSS score of 7.2, it represents a high-severity local attack requiring low complexity, leading to complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation, public exploit code, or KEV listing, the vulnerability has garnered significant community discussion, indicating awareness among security researchers.

Impacted Technologies

VendorProductVersion(s)CPE
4.3.0CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:4.3.0:*:*:*:*:*:*:*
4.3.1CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:4.3.1:*:*:*:*:*:*:*
4.3.2CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:4.3.2:*:*:*:*:*:*:*
4.3.3CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:4.3.3:*:*:*:*:*:*:*
4.3.4CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:4.3.4:*:*:*:*:*:*:*

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
0.36%
Probability of exploitation in next 30 days
EPSS Percentile
28.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0036 is in the 30th percentile among its peer group of 3,237 CVEs.

Social Chatter

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

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

lists.apple.com / archives/Security-announce/2011/Nov/msg00001.html
Vendor Advisory
support.apple.com / kb/HT5052
Vendor Advisory
securitytracker.com / id