How severe is CVE-2011-3440?

CVE-2011-3440 has a CVSS 2.0 base score of 1.2, rated low severity.

Is CVE-2011-3440 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-3440?

CVE-2011-3440 primarily affects Apple Iphone Os. In total, 43 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-3440?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2011-3440 published?

CVE-2011-3440 was published on 2011-11-11 and last updated on 2026-06-16.

CVE-2011-3440

CVE-2011-3440 is a low-severity vulnerability in Apple Iphone Os with a CVSS 2.0 base score of 1.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: Low (CVSS 2.0 base score 1.2)
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Apple Iphone Os
Published: 2011-11-11
Last modified: 2026-06-16

Description

The Passcode Lock feature in Apple iOS before 5.0.1 on the iPad 2 does not properly implement the locked state, which allows physically proximate attackers to access data by opening a Smart Cover during power-off confirmation.

Frequently asked questions

What is CVE-2011-3440?: The Passcode Lock feature in Apple iOS before 5.0.1 on the iPad 2 does not properly implement the locked state, which allows physically proximate attackers to access data by opening a Smart Cover during power-off confirmation.
How severe is CVE-2011-3440?: CVE-2011-3440 has a CVSS 2.0 base score of 1.2, rated low severity.
Is CVE-2011-3440 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-3440?: CVE-2011-3440 primarily affects Apple Iphone Os. In total, 43 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-3440?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-3440 published?: CVE-2011-3440 was published on 2011-11-11 and last updated on 2026-06-16.

References

Affected products (43)

cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:1.0:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:1.0.0:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:1.0.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:1.0.2:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:1.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:1.1.0:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:1.1.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:1.1.2:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:1.1.3:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:1.1.4:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:1.1.5:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:2.0:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:2.0.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:2.0.2:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:2.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:2.1.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:2.2:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:2.2.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:3.0:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:3.0.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:3.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:3.1.2:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:3.1.3:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:3.2:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:3.2.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:3.2.2:-:ipad:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:4.0:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:4.0.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:4.0.2:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:4.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:4.2:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:4.2.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:4.2.5:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:4.2.8:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:4.2.9:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:4.3.0:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:4.3.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:4.3.2:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:4.3.3:*:*:*:*:*:*:*

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