Which products and versions are affected by CVE-2023-2227?

Affected: Modoboa; modoboa/modoboa versions >= unspecified. The full list is in the CVE brief.

Is CVE-2023-2227 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2023-2227 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2023-2227?

Public exploit code is available.

Is there a fix for CVE-2023-2227?

Fixed versions are available, including Modoboa 2.1.0, Modoboa 7bcd3f6eb264d4e3e01071c97c2bac51cdd6fe97, modoboa/modoboa 2.1.0.

How urgently should CVE-2023-2227 be patched?

Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.

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Vulnerability Intelligence

CVE-2023-2227

CriticalPublic exploit

Improper Authorization in modoboa

Published Apr 21, 2023 · Updated Aug 12, 2026 · Also known as GHSA-67mg-gm8m-ph5r, PYSEC-2023-35

Key Facts

Patch immediately

CVE-2023-2227 is a critical-severity vulnerability (CVSS 9.3 v4) affecting Modoboa, modoboa/modoboa.
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 44% probability of exploitation in the next 30 days.
Fixed versions are available, including Modoboa 2.1.0, Modoboa 7bcd3f6eb264d4e3e01071c97c2bac51cdd6fe97, modoboa/modoboa 2.1.0.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.

CVSS v4

9.3

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

EPSS (30-day exploit likelihood)

44%

Higher than 98.7% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2023-2227 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Improper Authorization in GitHub repository modoboa/modoboa prior to 2.1.0.

Affected Products

3 affected entries in total

Product	Affected versions	Fixed in
ModoboaModoboa	See advisory	2.1.0
modoboa/modoboa	>= unspecified	2.1.0

Patched Releases

Modoboa

2.1.0, 7bcd3f6eb264d4e3e01071c97c2bac51cdd6fe97

modoboa/modoboa

2.1.0

Timeline

Publicly disclosed
Apr 21, 2023
Last updated
Aug 12, 2026

Weakness Type

CWE-285 Improper Authorization

References

2 more references in the full CVE brief

FAQ

Common Questions.

Improper Authorization in GitHub repository modoboa/modoboa prior to 2.1.0.
Affected: Modoboa; modoboa/modoboa versions >= unspecified. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Modoboa 2.1.0, Modoboa 7bcd3f6eb264d4e3e01071c97c2bac51cdd6fe97, modoboa/modoboa 2.1.0.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.

Is CVE-2023-2227 Running On Your Attack Surface?

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