CVE-2012-3730

CVE-2012-3730 is a medium-severity vulnerability in Apple Iphone Os with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Mail in Apple iOS before 6 does not properly handle reuse of Content-ID header values, which allows remote attackers to spoof attachments via a header value that was also used in a previous e-mail message, as demonstrated by a message from a different sender.

Frequently asked questions

What is CVE-2012-3730?
Mail in Apple iOS before 6 does not properly handle reuse of Content-ID header values, which allows remote attackers to spoof attachments via a header value that was also used in a previous e-mail message, as demonstrated by a message from a different sender.
How severe is CVE-2012-3730?
CVE-2012-3730 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2012-3730 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-3730?
CVE-2012-3730 primarily affects Apple Iphone Os. In total, 40 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-3730?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-3730 published?
CVE-2012-3730 was published on 2012-09-20 and last updated on 2026-06-16.

References

Affected products (40)

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