CVE-2011-3427

low

Published 2011-10-14 · Modified 2026-04-29

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CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

2.6

Description

The Data Security component in Apple iOS before 5 and Apple TV before 4.4 does not properly restrict use of the MD5 hash algorithm within X.509 certificates, which makes it easier for man-in-the-middle attackers to spoof servers or obtain sensitive information via a crafted certificate.

Predictions

Exploit likelihood

20%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

macOS Affected 19 releases

Version	Status	Fixed in
4.3.5	Affected	—
4.3.3	Affected	—
4.3.2	Affected	—
4.3.1	Affected	—
4.3.0	Affected	—
4.2.8	Affected	—
4.2.5	Affected	—
4.2.1	Affected	—
4.1	Affected	—
4.0.2	Affected	—
4.0.1	Affected	—
4.0	Affected	—
3.2.2	Affected	—
3.2.1	Affected	—
3.2	Affected	—
3.1.3	Affected	—
3.1.2	Affected	—
3.1	Affected	—
3.0	Affected	—

Application impact

Vendor	Product	Versions
apple	apple_tv	`4.0`
apple	apple_tv	`4.1`
apple	apple_tv	`4.2`
apple	apple_tv	`4.3`

References

CWEs

CWE-200

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.