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TI-2023-00737 Aliases CVE-2023-0777GHSA-rfhw-fm4m-52j6

Authentication Bypass by Primary Weakness in modoboa/modoboa

Priority HIGH 75CWE-305Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.

Summary

Authentication Bypass by Primary Weakness in GitHub repository modoboa/modoboa prior to 2.0.4.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.15088 96th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed modoboa/modoboa (modoboa): 2.0.4modoboa (PyPI): 2.0.4

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
modoboamodoboa/modoboabefore 2.0.42.0.4Patch availableCNA
—modoboa (PyPI)before 2.0.42.0.4Patch availableGHSA-rfhw-fm4m-52j6
  • modoboa/modoboa Vendormodoboa Affected before 2.0.4 Fixed in 2.0.4 Patch available CNA
  • modoboa (PyPI) Vendor— Affected before 2.0.4 Fixed in 2.0.4 Patch available GHSA-rfhw-fm4m-52j6

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:modoboa:modoboa:*:*:*:*:*:*:*:*before 2.0.4Vulnerablemodoboa
  • cpe:2.3:a:modoboa:modoboa:*:*:*:*:*:*:*:* Versions before 2.0.4 Vulnerable ·modoboa

Remediation

  • Fix · CNA modoboa/modoboa (modoboa) Fixed in 2.0.4
  • Fix · GHSA-rfhw-fm4m-52j6 modoboa (PyPI) Fixed in 2.0.4 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-0777
  2. 2026-10-03 Alias added: GHSA-rfhw-fm4m-52j6

References

  • TI-2023-02089 Improper Authorization in modoboa/modoboa CVSS 3.1CRITICAL 9.1
  • TI-2023-05233 Cross-Site Request Forgery (CSRF) in modoboa/modoboa CVSS 3.1HIGH 8.8
  • TI-2023-02028 Weak Password Requirements in modoboa/modoboa CVSS 3.1CRITICAL 9.8
  • TI-2026-21988 Modoboa has an OS Command Injection CVSS 3.1HIGH 7.2
  • TI-2023-05231 Cross-site Scripting (XSS) - DOM in modoboa/modoboa CVSS 3.1MEDIUM 5.4
  • TI-2023-02090 Cross-Site Request Forgery (CSRF) in modoboa/modoboa CVSS 3.1MEDIUM 6.8
See all 13 →

Sources