CVE-2018-0691
5.9 · MEDIUMOverview
CVE-2018-0691 is a medium-severity vulnerability affecting kddi \+_message. It was published on November 15, 2018 and has a CVSS 3.0 base score of 5.9 (MEDIUM).
This vulnerability has a CVSS 3.0 base score of 5.9, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Multiple +Message Apps (Softbank +Message App for Android prior to version 10.1.7, Softbank +Message App for iOS prior to version 1.1.23, NTT DOCOMO +Message App for Android prior to version 42.40.2800, NTT DOCOMO +Message App for iOS prior to version 1.1.23, KDDI +Message App for Android prior to version 1.0.6, and KDDI +Message App for iOS prior to version 1.1.23) do 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.
Remediation
Check the references section for vendor advisories and patches from kddi. Update \+_message to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| kddi | \+_message | >= 0, < 1.0.6 | Affected |
| ntttocomo | \+_message | >= 0, < 42.40.2800 | Affected |
| softbank | \+_message | >= 0, < 10.1.7 | Affected |
| ntt_tocomo | \+_message | >= 0, < 1.1.23 | Affected |
References
Frequently Asked Questions
What is CVE-2018-0691?
CVE-2018-0691 is a medium-severity vulnerability affecting kddi \+_message. It was published on November 15, 2018 and has a CVSS 3.0 base score of 5.9 (MEDIUM).
How severe is CVE-2018-0691?
This vulnerability has a CVSS 3.0 base score of 5.9, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2018-0691?
Check the references section for vendor advisories and patches from kddi. Update \+_message to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2018-0691?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-0691 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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