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CVE-2011-2817

23
FAUCET Score

CVE-2011-2817 describes a critical vulnerability in WebKit, specifically as implemented in Apple iTunes before version 10.5. This flaw allowed man-in-the-middle attackers to execute arbitrary code or trigger a denial of service through memory corruption and application crashes during iTunes Store browsing. With a CVSS score of 7.6, it represents a high-severity risk, requiring high attack complexity but allowing for complete compromise of confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 10.4.1CPE matchmatch criteria
cpe:2.3:a:apple:itunes:*:*:*:*:*:*:*:*
4.0.0CPE matchmatch criteria
cpe:2.3:a:apple:itunes:4.0.0:*:*:*:*:*:*:*
4.0.1CPE matchmatch criteria
cpe:2.3:a:apple:itunes:4.0.1:*:*:*:*:*:*:*
4.1.0CPE matchmatch criteria
cpe:2.3:a:apple:itunes:4.1.0:*:*:*:*:*:*:*
4.2.0CPE matchmatch criteria
cpe:2.3:a:apple:itunes:4.2.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.6HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
4.9
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.29%
Probability of exploitation in next 30 days
EPSS Percentile
81.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0229 is in the 38th percentile among its peer group of 8,915 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 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 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

lists.apple.com / archives/Security-announce/2011//Oct/msg00000.html
lists.apple.com / archives/Security-announce/2011//Oct/msg00001.html
lists.apple.com / archives/Security-announce/2011//Oct/msg00004.html
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17208
support.apple.com / kb/HT4981
support.apple.com / kb/HT4999
support.apple.com / kb/HT5000
securityfocus.com / bid/50066