CVE-2023-3405

HIGHNVD 7.57.5—

7.5

Unchecked parameter value in M-Files Server in versions before 23.6.12695.3 (excluding 23.2 SR2 and newer) allows anonymous user to cause denial of service

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 55.5%
KEV: Not listed

Published

June 27, 2023

Last Modified

February 23, 2026

References (4)

security@m-fileshttps://empower.m-files.com/security-advisories/CVE-2023-3405
security@m-fileshttps://product.m-files.com/security-advisories/cve-2023-3405/
nvd@nisthttps://www.m-files.com/about/trust-center/security-advisories/cve-2023-3405-denial-of-service-in-m-files-server/
af854a3a-2127-422b-91ae-364da2661108https://www.m-files.com/about/trust-center/security-advisories/cve-2023-3405

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-248

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-04 13:11 UTCepss_batch
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2026-06-02 20:12 UTCepss_batch
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2026-05-29 13:43 UTCepss_batch
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2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch

Frequently asked(5)

What is CVE-2023-3405?

CVE-2023-3405 is a high vulnerability published on June 27, 2023. Unchecked parameter value in M-Files Server in versions before 23.6.12695.3 (excluding 23.2 SR2 and newer) allows anonymous user to cause denial of service

When was CVE-2023-3405 disclosed?

CVE-2023-3405 was first published in the National Vulnerability Database on June 27, 2023, with the most recent update on February 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-3405 actively exploited?

CVE-2023-3405 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 55.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-3405?

CVE-2023-3405 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2023-3405?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-3405, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2023-3405

📅 Published

🔄 Last Modified

🔗 References (4)