Is CVE-2023-31286 in the CISA KEV catalog?

No. CVE-2023-31286 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-31286?

CVE-2023-31286 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2023-31286?

CVE-2023-31286 has an EPSS score of 1.01% (59th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-31286?

Upgrade serene to 6.7.0 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2023-31286

MEDIUM

5.3

CVSS v3

NVD

Description

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.

CWE-209

How to fix

Remediation Available

sereneNVD

Affected:< 6.7.0Fixed in:6.7.0CVE-2023-31286derived from NVD

startsharpNVD

Affected:< 6.7.0Fixed in:6.7.0CVE-2023-31286derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Exploit Intelligence

1.01%probability of exploitation in 30 days

59thpercentile

Moderate risk: more likely to be exploited than 59% of all known CVEs.

References

Patch1

github.com

Other references3

Related Vulnerabilities

Other CWE-209 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-29059	High	7.5	99%	KEV	-
CVE-2021-22145	Medium	6.5	76%	-	-
CVE-2010-3332	Medium	6.4	67%	-	-
CVE-2025-62168	Critical	10.0	63%	-	Fix
CVE-2013-7331	Medium	6.5	58%	KEV	-
CVE-2025-47813	Medium	4.3	56%	KEV	Fix

Embed a live status badge for CVE-2023-31286

Markdown

[![CVE-2023-31286](https://tridentstack.com/cve/badge/CVE-2023-31286.svg)](https://tridentstack.com/cve/CVE-2023-31286)

HTML

<a href="https://tridentstack.com/cve/CVE-2023-31286"><img src="https://tridentstack.com/cve/badge/CVE-2023-31286.svg" alt="CVE-2023-31286"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-01-31.