CVE-2011-3257

Severity: low (CVSS 2.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2011-10-14 · updated 2026-06-16
Weakness: CWE-264

Description

The Data Access component in Apple iOS before 5 does not properly handle the existence of multiple user accounts on the same mail server, which allows local users to bypass intended access restrictions in opportunistic circumstances by leveraging a different account's cookie.

Affected products

Apple Iphone Os: 3.0, 3.1, 3.1.2, 3.1.3, 3.2, 3.2.1 (+13)

References

http://lists.apple.com/archives/Security-announce/2011//Oct/msg00001.html
http://osvdb.org/76325
http://support.apple.com/kb/HT4999
https://exchange.xforce.ibmcloud.com/vulnerabilities/70553
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00001.html
http://osvdb.org/76325
http://support.apple.com/kb/HT4999
https://exchange.xforce.ibmcloud.com/vulnerabilities/70553

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