How severe is CVE-2018-16179?

CVE-2018-16179 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2018-16179 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-16179?

CVE-2018-16179 affects Mizuhobank Mizuho Direct Application. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-16179?

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

When was CVE-2018-16179 published?

CVE-2018-16179 was published on 2019-01-09 and last updated on 2026-06-17.

CVE-2018-16179

CVE-2018-16179 is a medium-severity vulnerability in Mizuhobank Mizuho Direct Application with a CVSS 3.x base score of 5.9. 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-295.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 4.3
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-295
Affected product: Mizuhobank Mizuho Direct Application
Published: 2019-01-09
Last modified: 2026-06-17

Description

The Mizuho Direct App for Android version 3.13.0 and earlier does not verify server certificates, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.

Frequently asked questions

What is CVE-2018-16179?: The Mizuho Direct App for Android version 3.13.0 and earlier does not verify server certificates, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.
How severe is CVE-2018-16179?: CVE-2018-16179 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2018-16179 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-16179?: CVE-2018-16179 affects Mizuhobank Mizuho Direct Application. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-16179?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-16179 published?: CVE-2018-16179 was published on 2019-01-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mizuhobank:mizuho_direct_application:*:*:*:*:*:android:*:*

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