CVE-2016-3664: Trend Micro Mobile Security for iOS before 3.2.1188 does not verify the X.509 certificate of the mobile applic

Q: How do I fix CVE-2016-3664?

mobile security: upgrade to newer than 3.1. Exact commands for each OS are on this page.

Q: Is CVE-2016-3664 being exploited?

CVE-2016-3664 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2016-3664 affect?

CVE-2016-3664 affects mobile security. Severity is high (CVSS 7.4). 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 c

Q: How urgent is CVE-2016-3664?

Priority 46/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.4REMOTEUPGRADE

CVE-2016-3664 is a high-severity flaw (CVSS 7.4) affecting mobile security. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.4 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.9% (top 39%)
CISA exploited list	No
Weakness	CWE-200
Published	2016-05-23
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: trend micro

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2016-05-23 19:59 UTCPublished CVE record published
2026-06-17 00:46 UTCUpdated Record last modified

trend micro mobile security UPGRADE

Affected: <= 3.1

Fixed in: newer than 3.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy mobile-security || rpm -q mobile-security || mobile-security --version

2. UPGRADE to newer than 3.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade mobile-security

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mobile-security

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2016-3664?

mobile security: upgrade to newer than 3.1. Exact commands for each OS are on this page.

Is CVE-2016-3664 being exploited?

CVE-2016-3664 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2016-3664 affect?

CVE-2016-3664 affects mobile security. Severity is high (CVSS 7.4). 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 c

How urgent is CVE-2016-3664?

Priority 46/100. High severity; Remotely exploitable, no login, no user action

Software pages

iOS vulnerabilities · Trend Micro vulnerabilities

Related CVEs

CVE-2023-41178 MEDIUM 6.1 DOWNGRADE Reflected cross-site scripting (XSS) vulnerabilities in Trend Micro Mobile Security (Enterprise) could allow a
CVE-2023-41177 MEDIUM 6.1 DOWNGRADE Reflected cross-site scripting (XSS) vulnerabilities in Trend Micro Mobile Security (Enterprise) could allow a
CVE-2023-41176 MEDIUM 6.1 DOWNGRADE Reflected cross-site scripting (XSS) vulnerabilities in Trend Micro Mobile Security (Enterprise) could allow a
CVE-2023-35695 HIGH 7.5 DOWNGRADE A remote attacker could leverage a vulnerability in Trend Micro Mobile Security (Enterprise) 9.8 SP5 to downlo
CVE-2023-32528 HIGH 8.8 DOWNGRADE Trend Micro Mobile Security (Enterprise) 9.8 SP5 contains vulnerable .php files that could allow a remote atta

References

← Back to latest CVEs