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CVE-2011-3255

17
FAUCET Score

CVE-2011-3255 describes a vulnerability in CFNetwork within Apple iOS before version 5, where AppleID credentials were stored insecurely in an unspecified file. This flaw allowed remote attackers to potentially obtain sensitive information through a specially crafted application. With a CVSS score of 4.3, this vulnerability is of medium complexity to exploit (AC:M) and could lead to partial confidentiality impact (C:P) without requiring authentication (Au:N). There is no evidence of active exploitation, nor are there any known public exploits or Metasploit modules available, and it has received negligible community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
3.0CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:3.0:-:iphone:*:*:*:*:*
3.1CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:3.1:*:*:*:*:*:*:*
3.1CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:3.1:-:iphone:*:*:*:*:*
3.1CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:3.1:-:ipodtouch:*:*:*:*:*
3.1.2CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:3.1.2:-: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
1.69%
Probability of exploitation in next 30 days
EPSS Percentile
74.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0169 is in the 52nd percentile among its peer group of 19,955 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//Oct/msg00001.html
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/70550
support.apple.com / kb/HT4999
Vendor Advisory