What is CVE-2023-0860?

CVE-2023-0860 is a high-severity vulnerability in Modoboa Installer, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 7.5/10. Published 2023-02-16.

How severe is CVE-2023-0860?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2023-0860 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Modoboa Installer

CVE-2023-0860

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

Published 2023-02-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.007 (49.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: +0.000

Affected products

Modoboa Installer
Modoboa Modoboa/modoboa-Installer — versions unspecified

Weakness classification (CWE)

CWE-307 — Improper Restriction of Excessive Authentication Attempts

Public proof-of-concept exploits

References

huntr.dev/bounties/64f3ab93-1357-4468-8ff4-52bbcec18cca (Exploit, Patch, Third Party Advisory)
github.com/modoboa/modoboa-installer/commit/63d92b73f3da6971ae4e13d033d625773ac… (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2023-0860?: CVE-2023-0860 is a high-severity vulnerability in Modoboa Installer, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 7.5/10. Published 2023-02-16.
How severe is CVE-2023-0860?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2023-0860 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.