CVE-2023-39736
The leakage of the client secret in Fukunaga_memberscard Line 13.6.1 allows attackers to obtain...
The leakage of the client secret in Fukunaga_memberscard Line 13.6.1 allows attackers to obtain the channel access token and send crafted broadcast messages.
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
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
The leakage of the client secret in Fukunaga_memberscard Line 13.6.1 allows attackers to obtain the channel access token and send crafted broadcast messages.
- Record
CVE-2023-39736- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
CVE List
The leakage of the client secret in Fukunaga_memberscard Line 13.6.1 allows attackers to obtain the channel access token and send crafted broadcast messages.
- Record
CVE-2023-39736- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
EUVDEUVD-2023-43436
The leakage of the client secret in Fukunaga_memberscard Line 13.6.1 allows attackers to obtain the channel access token and send crafted broadcast messages.
- Record
EUVD-2023-43436- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-f8xx-2rx5-fc4w
The leakage of the client secret in Fukunaga_memberscard Line 13.6.1 allows attackers to obtain...
The leakage of the client secret in Fukunaga_memberscard Line 13.6.1 allows attackers to obtain the channel access token and send crafted broadcast messages.
- Record
GHSA-f8xx-2rx5-fc4w- 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-200
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-39736 is a high vulnerability (CVSS 8.2) in Linecorp Fukunaga Memberscard, published October 24, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.72%, the 54th percentile. No source names a fixed version.