CVE-2022-43543
5.4 · MEDIUMOverview
CVE-2022-43543 is a medium-severity vulnerability affecting docomo \+_message. It was published on December 21, 2022 and has a CVSS 3.1 base score of 5.4 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
KDDI +Message App, NTT DOCOMO +Message App, and SoftBank +Message App contain a vulnerability caused by improper handling of Unicode control characters. +Message App displays text unprocessed, even when control characters are contained, and the text is shown based on Unicode control character's specifications. Therefore, a crafted text may display misleading web links. As a result, a spoofed URL may be displayed and phishing attacks may be conducted. Affected products and versions are as follows: KDDI +Message App for Android prior to version 3.9.2 and +Message App for iOS prior to version 3.9.4, NTT DOCOMO +Message App for Android prior to version 54.49.0500 and +Message App for iOS prior to version 3.9.4, and SoftBank +Message App for Android prior to version 12.9.5 and +Message App for iOS prior to version 3.9.4
Remediation
Check the references section for vendor advisories and patches from docomo. 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 |
|---|---|---|---|
| docomo | \+_message | >= 0, < 3.9.4 | Affected |
| kddi | \+_message | >= 0, < 3.9.2 | Affected |
| softbank | \+_message | >= 0, < 3.9.4 | Affected |
References
Frequently Asked Questions
What is CVE-2022-43543?
CVE-2022-43543 is a medium-severity vulnerability affecting docomo \+_message. It was published on December 21, 2022 and has a CVSS 3.1 base score of 5.4 (MEDIUM).
How severe is CVE-2022-43543?
This vulnerability has a CVSS 3.1 base score of 5.4, 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-2022-43543?
Check the references section for vendor advisories and patches from docomo. 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-2022-43543?
CyberStrike's AI-powered security agents can automatically detect CVE-2022-43543 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.
Automated penetration testing that runs continuously, not just quarterly.
AI-driven PR review catches vulnerable dependencies before they ship.
Browser-based exploitation validates findings with real proof-of-concept.
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