How severe is CVE-2016-7816?

CVE-2016-7816 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-2016-7816 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-7816?

CVE-2016-7816 affects Cybozu Kintone. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-7816?

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

When was CVE-2016-7816 published?

CVE-2016-7816 was published on 2017-06-09 and last updated on 2026-06-17.

CVE-2016-7816

CVE-2016-7816 is a medium-severity vulnerability in Cybozu Kintone 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% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-295
Affected product: Cybozu Kintone
Published: 2017-06-09
Last modified: 2026-06-17

Description

The Cybozu kintone mobile for Android 1.0.6 and earlier does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.

Frequently asked questions

What is CVE-2016-7816?: The Cybozu kintone mobile for Android 1.0.6 and earlier does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.
How severe is CVE-2016-7816?: CVE-2016-7816 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-2016-7816 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-7816?: CVE-2016-7816 affects Cybozu Kintone. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-7816?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-7816 published?: CVE-2016-7816 was published on 2017-06-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:cybozu:kintone:*:*:*:*:*:android:*:*

More vulnerabilities in Cybozu Kintone

CVE-2016-1186 — Medium (CVSS 5.9): Kintone mobile for Android 1.0.0 through 1.0.5 does not verify SSL server certificates.
CVE-2020-5573 — Medium (CVSS 4.6): Android App 'kintone mobile for Android' 1.0.0 to 2.5 allows an attacker to obtain credential information registered in…
CVE-2016-1185 — Low (CVSS 2.5): The Cybozu kintone mobile application 1.x before 1.0.6 for Android allows attackers to discover an authentication token…

All CVEs affecting Cybozu Kintone →

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