CVE-2023-31818
An issue found in Marukyu Line v.13.4.1 allows a remote attacker to gain access to sensitive...
An issue found in Marukyu Line v.13.4.1 allows a remote attacker to gain access to sensitive information via the channel access token in the miniapp function.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
An issue found in Marukyu Line v.13.4.1 allows a remote attacker to gain access to sensitive information via the channel access token in the miniapp function.
- Record
CVE-2023-31818- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-668
- Updated
- 2026-11-02
CVE List No score
An issue found in Marukyu Line v.13.4.1 allows a remote attacker to gain access to sensitive information via the channel access token in the miniapp function.
- Record
CVE-2023-31818- Updated
- 2026-11-02
EUVDEUVD-2023-36109 No score
An issue found in Marukyu Line v.13.4.1 allows a remote attacker to gain access to sensitive information via the channel access token in the miniapp function.
- Record
EUVD-2023-36109- Updated
- 2026-11-02
GitHub AdvisoriesGHSA-4hr4-w7m2-r3vr
An issue found in Marukyu Line v.13.4.1 allows a remote attacker to gain access to sensitive...
An issue found in Marukyu Line v.13.4.1 allows a remote attacker to gain access to sensitive information via the channel access token in the miniapp function.
- Record
GHSA-4hr4-w7m2-r3vr- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-668
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-31818 is a high vulnerability (CVSS 7.5) in Marukyu Line, published July 11, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.01%, the 63rd percentile. No source names a fixed version.