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
Published Feb 13, 2023
5.9
MEDIUMCVSS 3.1
EPSS 0.51%
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.
Affected products
- Vendor Betrend Corporation and ICHIRAN INC. Product Ichiran App for iOS and Ichiran App for Android Defaultn/a
- Version Ichiran App for iOS versions prior to 3.1.0, and Ichiran App for Android versions prior to 3.1.0StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Betrend Corporation and ICHIRAN INC. | Ichiran App for iOS and Ichiran App for Android | n/a |
|
- < 3.1.0
- < 3.1.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Mar 21, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2023–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 0.51% (0.00513) | 41.62th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.51% (0.00513) | 39.38th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.10% (0.00101) | 25.55th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.21% (0.00207) | 59.58th | v3 (v2023.03.01) |
| Feb 20, 2024 | 0.19% (0.00192) | 55.91th | v3 (v2023.03.01) |
| Jan 13, 2024 | 0.11% (0.00110) | 43.90th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.10% (0.00102) | 40.30th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Feb 24, 2023 | 1.14% (0.01136) | 59.38th | v2 (v2022.01.01) |
| Feb 13, 2023 | 1.06% (0.01061) | 52.27th | v2 (v2022.01.01) |
References (3)
- 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 Product
- https://jvn.jp/en/jp/JVN11257333/ Third Party Advisory
- https://play.google.com/store/apps/details?id=jp.co.ichiran.app&hl=ja Product
| Link | Providers | Tags |
|---|---|---|
| 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 | Product | |
| https://jvn.jp/en/jp/JVN11257333/ | Third Party Advisory | |
| https://play.google.com/store/apps/details?id=jp.co.ichiran.app&hl=ja | Product |
Change history (0)
No recorded changes yet.