VULNERABILITY INTELLIGENCE
CVE-2011-3253
CVSS score2.6 LOW
EPSS probability0.57%
CISA KEVNot currently listed
Published2011-10-14
Last modified2026-06-16
CVSS vectorAV:N/AC:H/Au:N/C:P/I:N/A:N
Description
CalDAV in Apple iOS before 5 does not validate X.509 certificates for SSL sessions, which allows man-in-the-middle attackers to spoof calendar servers and obtain sensitive information via an arbitrary certificate.
Weakness classification
- CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
Primary references
- product-security@apple.com — Vendor Advisory
- product-security@apple.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory