CVE-2023-22367
CVE-2023-22367 is a medium-severity vulnerability in Ichiranusa Ichiran with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-295.
Key facts
- Severity: Medium (CVSS 3.x base score 5.9)
- EPSS exploit prediction: 1% (40th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-295
- Affected product: Ichiranusa Ichiran
- Published:
- Last modified:
Description
Ichiran App for iOS versions prior to 3.1.0 and Ichiran App for Android versions prior to 3.1.0 improperly verify server certificates, which may allow a remote unauthenticated attacker to eavesdrop on an encrypted communication via a man-in-the-middle attack.
Frequently asked questions
- What is CVE-2023-22367?
- Ichiran App for iOS versions prior to 3.1.0 and Ichiran App for Android versions prior to 3.1.0 improperly verify server certificates, which may allow a remote unauthenticated attacker to eavesdrop on an encrypted communication via a man-in-the-middle attack.
- How severe is CVE-2023-22367?
- CVE-2023-22367 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2023-22367 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-22367?
- CVE-2023-22367 primarily affects Ichiranusa Ichiran. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2023-22367?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2023-22367 published?
- CVE-2023-22367 was published on 2023-02-13 and last updated on 2026-06-17.
References
- https://apps.apple.com/jp/app/%E4%B8%80%E8%98%AD%E5%85%AC%E5%BC%8F%E3%82%A2%E3%83%97%E3%83%AA/id1118806170
- https://jvn.jp/en/jp/JVN11257333/
- https://play.google.com/store/apps/details?id=jp.co.ichiran.app&hl=ja
Affected products (2)
- cpe:2.3:a:ichiranusa:ichiran:*:*:*:*:*:android:*:*
- cpe:2.3:a:ichiranusa:ichiran:*:*:*:*:*:iphone_os:*:*
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