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CVE-2011-3254

16
FAUCET Score

CVE-2011-3254 describes a Cross-site Scripting (XSS) vulnerability within the Calendar application of Apple iOS versions prior to 5. This flaw allows remote attackers to inject arbitrary web script or HTML into a user's device through a maliciously crafted invitation note. The vulnerability has a CVSS score of 4.3, indicating a medium attack complexity and requiring user interaction, with a potential impact of information disclosure (partial integrity loss). There is no evidence of active exploitation, readily available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this decade-old vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
4.2CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:4.2:*:*:*:*:*:*:*
4.2.1CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:4.2.1:*:*:*:*:*:*:*
4.2.5CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:4.2.5:*:*:*:*:*:*:*
4.2.8CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:4.2.8:*:*:*:*:*:*:*
4.2.9CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:4.2.9:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
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
1.27%
Probability of exploitation in next 30 days
EPSS Percentile
66.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0127 is in the 35th 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
support.apple.com / kb/HT4999
Vendor Advisory