What is CVE-2023-0438?

CVE-2023-0438 is a medium-severity vulnerability in Modoboa, classified under Cross-Site Request Forgery (CSRF). CVSS score: 6.5/10. Published 2023-01-23.

How severe is CVE-2023-0438?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2023-0438 known to be exploited?

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

CSRF in Modoboa

CVE-2023-0438

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

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published 2023-01-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.003 (25.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 25.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · 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/07a5b61b-306d-47c4-8ff0-06c540c7dfb3 (Exploit, Patch, Third Party Advisory, Issue Tracking)
github.com/modoboa/modoboa/commit/38d778cc71e370216e067d054ce0169ad83078c8 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2023-0438?: CVE-2023-0438 is a medium-severity vulnerability in Modoboa, classified under Cross-Site Request Forgery (CSRF). CVSS score: 6.5/10. Published 2023-01-23.
How severe is CVE-2023-0438?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2023-0438 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.