What is CVE-2023-31286?

CVE-2023-31286 is a medium-severity vulnerability in Serenity Serene, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 5.3/10. Published 2023-04-27.

How severe is CVE-2023-31286?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Information disclosure in Serenity Serene

CVE-2023-31286

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.

Published 2023-04-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.010 (61.8th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 61.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-209 — Generation of Error Message Containing Sensitive Information

References

github.com/serenity-is/Serenity/commit/11b9d267f840513d04b4f4d4876de7823a6e48d2 (Patch, Vendor Advisory)
seclists.org/fulldisclosure/2023/May/14 (mailing-list)
packetstormsecurity.com/files/172648/Serenity-StartSharp-Software-File-Upload-X…
134c704f-9b21-4f2e-91b3-4a467353bcc0

Frequently asked questions

What is CVE-2023-31286?: CVE-2023-31286 is a medium-severity vulnerability in Serenity Serene, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 5.3/10. Published 2023-04-27.
How severe is CVE-2023-31286?: Medium severity. CVSS v3 base score is 5.3 out of 10.