CVE-2023-29501

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-06-13 · updated 2026-06-17
Weakness: CWE-295

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.

Affected products

RUNSYSTEM CO.,LTD. Jiyu Kukan Toku-Toku coupon App for iOS, and Jiyu Kukan Toku-Toku coupon App for Android: through 3.5.0

References

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://jvn.jp/en/jp/JVN33836375/
https://play.google.com/store/apps/details?id=jp.runsystem
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://jvn.jp/en/jp/JVN33836375/
https://play.google.com/store/apps/details?id=jp.runsystem
https://www.runsystem.co.jp/g1-pr/17570

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