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CVE-2011-3253

2.6 · LOW

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 arbitr…

Published Oct 14, 2011appleCWE-200EPSS 0.57%

Overview

CVE-2011-3253 is a low-severity vulnerability affecting apple iphone_os. It was published on October 14, 2011 and has a CVSS 2.0 base score of 2.6 (LOW).

This vulnerability has a CVSS 2.0 base score of 2.6, rated LOW. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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

Check the references section for vendor advisories and patches from apple. Update iphone_os to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Reflists.apple.com/archives/Security-announce/2011//Oct/msg00001.htmlRefsupport.apple.com/kb/HT4999Reflists.apple.com/archives/Security-announce/2011//Oct/msg00001.htmlRefsupport.apple.com/kb/HT4999

How CyberStrike helps

Frequently asked questions

What is CVE-2011-3253?

CVE-2011-3253 is a low-severity vulnerability affecting apple iphone_os. It was published on October 14, 2011 and has a CVSS 2.0 base score of 2.6 (LOW).

How severe is CVE-2011-3253?

This vulnerability has a CVSS 2.0 base score of 2.6, rated LOW. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2011-3253?

Check the references section for vendor advisories and patches from apple. Update iphone_os to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2011-3253?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-3253 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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