CVE-2012-3742

What it is

Safari in Apple iOS before 6 does not properly restrict use of an unspecified Unicode character that looks similar to the https lock indicator, which allows remote attackers to spoof https connections by placing this character in the TITLE element of a web page.

At a glance

Exploitability

Can be exploited over the network without logging in. Limited direct impact.

Exploit odds

1.9% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2012-09-20 21:55 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-16 23:43 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 1.9% in the next 30 days (EPSS).
• Severity: 5.0 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2012-09-20 21:55 UTC

Last modified

2026-06-16 23:43 UTC

Exploit probability

1.9% · EPSS, next 30 days

Weakness

CWE-264

Record status

Modified

Affected

• Apple Iphone Os ≤ 5.1.1
• Apple Iphone Os 1.0.0
• Apple Iphone Os 1.0.1
• Apple Iphone Os 1.0.2
• Apple Iphone Os 1.1.0
• Apple Iphone Os 1.1.1
• Apple Iphone Os 1.1.2
• Apple Iphone Os 1.1.3

Attack profile CVSS 2.0 · 5.0

Attack vector

Network

Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

Is it in your code?

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