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CVE-2011-2811

22
FAUCET Score

CVE-2011-2811 describes a memory corruption vulnerability in WebKit, specifically affecting Apple iTunes before version 10.5, during iTunes Store browsing. This flaw allows man-in-the-middle attackers to execute arbitrary code or cause a denial of service. With a CVSS score of 7.6, it is considered highly severe due to its network-based attack vector and high impact on confidentiality, integrity, and availability, though it requires high attack complexity. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion 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
2.22%
Probability of exploitation in next 30 days
EPSS Percentile
80.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0222 is in the 38th percentile among its peer group of 8,913 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/msg00004.html
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17051
support.apple.com / kb/HT4981
support.apple.com / kb/HT5000
securityfocus.com / bid/50066