An issue was discovered in Serenity Serene (and StartSharp) before 6.7.0.
Priority MEDIUM 63CWE-209Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-209.
Summary
An issue was discovered in Serenity Serene (and StartSharp) before 6.7.0. When a password reset request occurs, the server response leaks the existence of users. If one tries to reset a password of a non-existent user, an error message indicates that this user does not exist.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01011 63rd percentileScored 2026-11-07
Fix Fixed Serenity.Net.Core (NuGet): 6.7.0Serenity.Net.Web (NuGet): 6.7.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | Serenity.Net.Core (NuGet) | before 6.7.0 | 6.7.0 | Patch available | GHSA-w7jm-9x4m-8qc3 |
| — | Serenity.Net.Web (NuGet) | before 6.7.0 | 6.7.0 | Patch available | GHSA-w7jm-9x4m-8qc3 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- Serenity.Net.Core (NuGet) Vendor— Affected before 6.7.0 Fixed in 6.7.0 Patch available GHSA-w7jm-9x4m-8qc3
- Serenity.Net.Web (NuGet) Vendor— Affected before 6.7.0 Fixed in 6.7.0 Patch available GHSA-w7jm-9x4m-8qc3
Remediation
- Fix · GHSA-w7jm-9x4m-8qc3 Serenity.Net.Core (NuGet) Fixed in 6.7.0 Advisory →
- Fix · GHSA-w7jm-9x4m-8qc3 Serenity.Net.Web (NuGet) Fixed in 6.7.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2023-31286
- 2026-10-03 Alias added: GHSA-w7jm-9x4m-8qc3
References
Other 4
- 20230529 SEC Consult SA-20230516-0 :: Multiple Vulnerabilities in Serenity and StartSharp Software
- http://packetstormsecurity.com/files/172648/Serenity-StartSharp-Software-File-Upload-XSS-User-Enumeration-Reusable-Tokens.html
- https://github.com/serenity-is/Serenity
- https://seclists.org/fulldisclosure/2023/May/14
More Serenity Serene vulnerabilities
- TI-2023-14968 An issue was discovered in Serenity Serene (and StartSharp) before 6.7.0. CVSS 3.1HIGH 7.8
- TI-2023-14966 An XSS issue was discovered in Serenity Serene (and StartSharp) before 6.7.0. CVSS 3.1MEDIUM 6.1
Sources
- CVE-2023-31286 · CVE Program
- CVE-2023-31286 · NVD
- FIRST EPSS
- GHSA-w7jm-9x4m-8qc3 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences