CVE-2011-3253
CalDAV in Apple iOS before 5 does not validate X.509 certificates for SSL sessions, which allows...
CVE-2011-3253 is a low vulnerability (CVSS 2.6) in Apple Iphone Os, published October 14, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.57%, the 47th percentile. No source names a fixed version.
- Severity
- 2.6 LowCVSS 2.0, NVD
- Exploit chance
- 0.57%EPSS, 47th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
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.
Exploit likelihood
Affected products
What each source reports
NVD Score used
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.
- Record
CVE-2011-3253- CVSS 2.0
- 2.6 Low
AV:N/AC:H/Au:N/C:P/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
CVE ListNo score
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.
- Record
CVE-2011-3253- Updated
- 2026-11-02
EUVDEUVD-2011-3217No score
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.
- Record
EUVD-2011-3217- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-frpq-wjg3-5rp5No score
CalDAV in Apple iOS before 5 does not validate X.509 certificates for SSL sessions, which allows...
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.
- Record
GHSA-frpq-wjg3-5rp5- Weakness
- CWE-200
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.