CVE-2016-7812: The Bank of Tokyo-Mitsubishi UFJ, Ltd

Q: How do I fix CVE-2016-7812?

mitsubishi ufj: upgrade to newer than 5.2.2. Exact commands for each OS are on this page.

Q: Is CVE-2016-7812 being exploited?

CVE-2016-7812 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-2016-7812 affect?

CVE-2016-7812 affects mitsubishi ufj. Severity is low (CVSS 3.1). The Bank of Tokyo-Mitsubishi UFJ, Ltd. App for Android ver5.3.1, ver5.2.2 and earlier allow a man-in-the-middle attacker to downgrade the communication between the app and the server from TLS v1.2 to SSL v3.0, which may result in the attack

Q: How urgent is CVE-2016-7812?

Priority 25/100. No elevated risk signals yet.

Routine

LOW 3.1UPGRADE

CVE-2016-7812 is a low-severity flaw (CVSS 3.1) affecting mitsubishi ufj. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Bank of Tokyo-Mitsubishi UFJ, Ltd. App for Android ver5.3.1, ver5.2.2 and earlier allow a man-in-the-middle attacker to downgrade the communication between the app and the server from TLS v1.2 to SSL v3.0, which may result in the attacker to eavesdrop on an encrypted communication.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	3.1 (Low)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.8% (top 43%)
CISA exploited list	No
Weakness	CWE-310
Published	2017-08-02
Last modified	2026-06-17

Publisher (CNA): JPCERT/CC · Vendor: mufg

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

Am I affected?

Timeline

2017-08-02 16:29 UTCPublished CVE record published
2026-06-17 00:53 UTCUpdated Record last modified

mufg mitsubishi ufj UPGRADE

Affected: <= 5.2.2 · 5.3.1

Fixed in: newer than 5.2.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy mitsubishi-ufj || rpm -q mitsubishi-ufj || mitsubishi-ufj --version

2. UPGRADE to newer than 5.2.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade mitsubishi-ufj

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mitsubishi-ufj

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-2016-7812?

mitsubishi ufj: upgrade to newer than 5.2.2. Exact commands for each OS are on this page.

Is CVE-2016-7812 being exploited?

CVE-2016-7812 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-2016-7812 affect?

CVE-2016-7812 affects mitsubishi ufj. Severity is low (CVSS 3.1). The Bank of Tokyo-Mitsubishi UFJ, Ltd. App for Android ver5.3.1, ver5.2.2 and earlier allow a man-in-the-middle attacker to downgrade the communication between the app and the server from TLS v1.2 to SSL v3.0, which may result in the attack

How urgent is CVE-2016-7812?

Priority 25/100. No elevated risk signals yet.

Software pages

Android vulnerabilities · Mitsubishi Electric vulnerabilities

References

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