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Tool Directory

CVE-2023-0860

HighPublished

Improper Restriction of Excessive Authentication Attempts in modoboa/modoboa-installer

Published: Feb 16, 2023
Updated: Mar 18, 2025
Assigning CNA: @huntrdev
Evidence observed: Aug 8, 2026

Primary CVSS

7.5/ 10High

nvd · CVSS 3.1

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

EPSS probability estimate

0.7%

Low · next 30 days

Percentile: 49.7%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Improper Restriction of Excessive Authentication Attempts in GitHub repository modoboa/modoboa-installer prior to 2.0.4.

Sources

CVE-2023-0860PoC
Proof-of-concept for CVE-2023-0860, demonstrating unauthenticated brute-force login attacks on Modoboa Mail Hosting and Management before v2.0.3.

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