CVE-2011-3257 json
The Data Access component in Apple iOS before 5 does not properly handle the existence of multiple user accounts on the same mail server, w…
published 2011-10-14 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-3221
- cvss
- 2.1
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 29%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
0.35% chance of exploitation in the next 30 days, higher than 29% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-264 Permissions, Privileges, and Access Controls
References
-
lists.apple.com
/archives/Security-announce/2011//Oct/msg00001.html
vendor-advisory
-
support.apple.com
/kb/HT4999
vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/70553
vdb-entry
-
osvdb.org
/76325
vdb-entry
Sources
- CVE List CVE-2011-3257
- NVD CVE-2011-3257
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.