CVE-2011-3253
UnknownEPSS 0.57%
Last modified
CVE-2011-3253 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.57% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Iphone Os | 3.0 |
| Apple | Iphone Os | 3.1 |
| Apple | Iphone Os | 3.1.2 |
| Apple | Iphone Os | 3.1.3 |
| Apple | Iphone Os | 3.2 |
| Apple | Iphone Os | 3.2.1 |
| Apple | Iphone Os | 3.2.2 |
| Apple | Iphone Os | 4.0 |
| Apple | Iphone Os | 4.0.1 |
| Apple | Iphone Os | 4.0.2 |
| Apple | Iphone Os | 4.1 |
| Apple | Iphone Os | 4.2.1 |
| Apple | Iphone Os | 4.2.5 |
| Apple | Iphone Os | 4.2.8 |
| Apple | Iphone Os | 4.3.0 |
| Apple | Iphone Os | 4.3.1 |
| Apple | Iphone Os | 4.3.2 |
| Apple | Iphone Os | 4.3.3 |
| Apple | Iphone Os | 4.3.5 |
References
- http://support.apple.com/kb/HT4999Vendor Advisory
- http://support.apple.com/kb/HT4999Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2011-3253?
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.
How severe is CVE-2011-3253?
Severity scoring for CVE-2011-3253 is pending analysis. The EPSS model estimates a 0.57% probability of exploitation in the next 30 days.
How do I fix CVE-2011-3253?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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Are you affected by CVE-2011-3253?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST