What is CVE-2023-0406?

CVE-2023-0406 is a medium-severity vulnerability in Modoboa, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2023-01-19.

How severe is CVE-2023-0406?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Is CVE-2023-0406 known to be exploited?

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

CSRF in Modoboa

CVE-2023-0406

Cross-Site Request Forgery (CSRF) in GitHub repository modoboa/modoboa prior to 2.0.4.

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published 2023-01-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (30.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 30.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Modoboa
Modoboa Modoboa/modoboa — versions unspecified

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

Public proof-of-concept exploits

References

huntr.dev/bounties/d7007f76-3dbc-48a7-a2fb-377040fe100c (Exploit, Patch, Third Party Advisory)
github.com/modoboa/modoboa/commit/7f0573e917227686d2cc127be1364e2908740807 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2023-0406?: CVE-2023-0406 is a medium-severity vulnerability in Modoboa, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2023-01-19.
How severe is CVE-2023-0406?: Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2023-0406 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.