How severe is CVE-2016-3664?

CVE-2016-3664 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2016-3664 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-3664?

CVE-2016-3664 affects Trend Micro Mobile Security. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-3664?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2016-3664 published?

CVE-2016-3664 was published on 2016-05-23 and last updated on 2026-06-17.

CVE-2016-3664

CVE-2016-3664 is a high-severity vulnerability in Trend Micro Mobile Security with a CVSS 3.x base score of 7.4. 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-200.

Key facts

Severity: High (CVSS 3.x base score 7.4)
CVSS v2: 5.8
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Trend Micro Mobile Security
Published: 2016-05-23
Last modified: 2026-06-17

Description

Trend Micro Mobile Security for iOS before 3.2.1188 does not verify the X.509 certificate of the mobile application login server, which allows man-in-the-middle attackers to spoof this server and obtain sensitive information via a crafted certificate.

Frequently asked questions

What is CVE-2016-3664?: Trend Micro Mobile Security for iOS before 3.2.1188 does not verify the X.509 certificate of the mobile application login server, which allows man-in-the-middle attackers to spoof this server and obtain sensitive information via a crafted certificate.
How severe is CVE-2016-3664?: CVE-2016-3664 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2016-3664 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-3664?: CVE-2016-3664 affects Trend Micro Mobile Security. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-3664?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2016-3664 published?: CVE-2016-3664 was published on 2016-05-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:trend_micro:mobile_security:*:*:*:*:*:iphone_os:*:*

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