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CVE-2011-2870

28
FAUCET Score

CVE-2011-2870 describes a critical memory corruption vulnerability in WebKit, affecting Apple iOS before version 5.1 and iTunes before 10.6. A remote attacker could exploit this flaw by enticing a user to visit a specially crafted website, leading to arbitrary code execution or a denial of service. With a CVSS score of 9.3, this vulnerability is highly severe, indicating a network-based attack with medium complexity that could result in complete compromise of confidentiality, integrity, and availability. Despite its high severity, there is no evidence of active exploitation, nor is public exploit code available, and it has received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 5.1CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
< 10.6CPE matchmatch criteria
cpe:2.3:a:apple:itunes:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
4.14%
Probability of exploitation in next 30 days
EPSS Percentile
89.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0414 is in the 53rd 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/2012/Mar/msg00000.html
lists.apple.com / archives/security-announce/2012/Mar/msg00001.html
lists.apple.com / archives/security-announce/2012/Mar/msg00003.html
osvdb.org / 79909
secunia.com / advisories/48274
secunia.com / advisories/48288
secunia.com / advisories/48377
exchange.xforce.ibmcloud.com / vulnerabilities/73799
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17334
securityfocus.com / bid/52365
securitytracker.com / id