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CVE-2011-3441

19
FAUCET Score

CVE-2011-3441 describes a vulnerability in libinfo within Apple iOS versions prior to 5.0.1, where improperly formulated domain-name queries allow remote attackers to extract sensitive information through crafted DNS hostnames. This vulnerability has a CVSS score of 4.3, indicating a medium attack complexity and potential for partial confidentiality impact without requiring authentication. There is no evidence of active exploitation, public exploit code, or significant community discussion or media coverage, suggesting a low current threat level.

Impacted Technologies

VendorProductVersion(s)CPE
<= 5.0CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
1.0CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:1.0:*:*:*:*:*:*:*
1.0.0CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:1.0.0:*:*:*:*:*:*:*
1.0.1CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:1.0.1:*:*:*:*:*:*:*
1.0.1CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:1.0.1:-:iphone:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

AV:N/AC:M/Au:N/C:P/I:N/A:N

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.58%
Probability of exploitation in next 30 days
EPSS Percentile
73.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0158 is in the 48th percentile among its peer group of 19,954 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 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
lists.apple.com / archives/security-announce/2012/Feb/msg00000.html
support.apple.com / kb/HT5052
Vendor Advisory
support.apple.com / kb/HT5130