Improper certificate validation in Cybozu, Inc. kintone mobile for Android
Priority LOW 28CWE-295Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-295.
Summary
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.
Why it matters now
EPSS 0.00728 54th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Cybozu, Inc. | kintone mobile for Android | up to 1.0.6 | — | No fix listed | CNA |
- kintone mobile for Android VendorCybozu, Inc. Affected up to 1.0.6 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cybozu:kintone:*:*:*:*:*:android:*:* | up to 1.0.6 | Vulnerable | Cybozu, Inc. |
- cpe:2.3:a:cybozu:kintone:*:*:*:*:*:android:*:* Versions up to 1.0.6 Vulnerable ·Cybozu, Inc.
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2016-7816
- 2026-10-03 Alias added: GHSA-48r2-fhp3-vhcc
References
More Cybozu, Inc. Kintone vulnerabilities
- TI-2016-01085 Kintone mobile for Android 1.0.0 through 1.0.5 does not verify SSL server certificates. CVSS 3.0MEDIUM 5.9
- TI-2020-04543 Information disclosure in Cybozu, Inc. Android App 'kintone mobile for Android' CVSS 3.1MEDIUM 4.6
- TI-2016-01084 The Cybozu kintone mobile application 1.x before 1.0.6 for Android allows attackers to… CVSS 3.0LOW 2.5
Sources
- CVE-2016-7816 · CVE Program
- CVE-2016-7816 · NVD
- FIRST EPSS
- GHSA-48r2-fhp3-vhcc · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences