CVE detail

CVE-2011-3253 — CVE-2011-3253

Published 2011-10-14 · Modified 2026-06-16 · Vendor apple · Product iphone_os · Source nvd

UNKNOWN

severity

CVSS-derived band

n/a

CVSS v3

0–10 scale

0.0057

EPSS probability

exploitation probability, 30d

44.0%

EPSS percentile

percentile vs all CVEs

NOT LISTED

CISA KEV

known exploited catalog

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.

Remediation

No vendor-published fix data in our corpus for this CVE. Check the references below or the vendor's PSIRT / security advisories page.

References

cvedb.io · NVD · CISA KEV · FIRST EPSS · vendor advisories (CVE Program List v5). Informational only, no warranty — verify every remediation against the vendor advisory before acting on it. This product uses data from the NVD API but is not endorsed or certified by the NVD, CISA, FIRST.org or any vendor named. CVE® is a registered trademark of The MITRE Corporation.