CVE-2023-0777
Authentication Bypass by Primary Weakness in modoboa/modoboa
Authentication Bypass by Primary Weakness in GitHub repository modoboa/modoboa prior to 2.0.4.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Authentication Bypass by Primary Weakness in modoboa/modoboa
Authentication Bypass by Primary Weakness in GitHub repository modoboa/modoboa prior to 2.0.4.
- Record
CVE-2023-0777- CVSS 3.0
- 8.6 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N - Weakness
- CWE-305
- Updated
- 2026-11-02
EUVDEUVD-2023-0168
Authentication Bypass by Primary Weakness in GitHub repository modoboa/modoboa prior to 2.0.4.
- Record
EUVD-2023-0168- CVSS 3.0
- 8.6 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-rfhw-fm4m-52j6
Authentication Bypass in modoboa
Authentication Bypass by Primary Weakness in GitHub repository modoboa/modoboa prior to 2.0.4.
- Record
GHSA-rfhw-fm4m-52j6- CVSS 4.0
- 9.3 Critical
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-305
- Updated
- 2026-11-02
NVD
Authentication Bypass by Primary Weakness in GitHub repository modoboa/modoboa prior to 2.0.4.
- Record
CVE-2023-0777- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 3.0
- 8.6 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N - Weakness
- CWE-305
- Updated
- 2026-11-02
OSV
Authentication Bypass by Primary Weakness in modoboa/modoboa
Authentication Bypass by Primary Weakness in GitHub repository modoboa/modoboa prior to 2.0.4.
- Record
CVE-2023-0777- CVSS 3.0
- 8.6 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N - Weakness
- CWE-305
- Updated
- 2026-11-02
OSVGHSA-rfhw-fm4m-52j6
Authentication Bypass in modoboa
Authentication Bypass by Primary Weakness in GitHub repository modoboa/modoboa prior to 2.0.4.
- Record
GHSA-rfhw-fm4m-52j6- CVSS 4.0
- 9.3 Critical
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-305
- Updated
- 2026-11-02
OSVPYSEC-2023-32 No score
Authentication Bypass by Primary Weakness in GitHub repository modoboa/modoboa prior to 2.0.4.
- Record
PYSEC-2023-32- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
modoboaPyPI |
through 2.0.3 | 2.0.4 |
modoboaPyPI |
before 2.0.4, plus listed versions 0.7.01.10.01.10.11.10.21.10.3 Show 45 moreShow less1.10.41.10.51.10.61.10.71.11.01.11.11.12.01.12.11.12.21.13.01.13.11.14.01.15.01.16.01.16.11.17.01.2.01.2.0-rc21.2.11.2.21.3.01.3.11.3.21.3.31.3.41.3.51.4.11.4.21.4.31.4.41.4.51.5.01.5.11.5.21.5.31.6.01.6.11.6.21.6.31.7.01.7.11.7.21.7.31.7.41.8.0 |
2.0.4 |
modoboaPyPI |
before 2.0.4, plus listed versions 0.7.01.10.01.10.11.10.21.10.3 Show 45 moreShow less1.10.41.10.51.10.61.10.71.11.01.11.11.12.01.12.11.12.21.13.01.13.11.14.01.15.01.16.01.16.11.17.01.2.01.2.0-rc21.2.11.2.21.3.01.3.11.3.21.3.31.3.41.3.51.4.11.4.21.4.31.4.41.4.51.5.01.5.11.5.21.5.31.6.01.6.11.6.21.6.31.7.01.7.11.7.21.7.31.7.41.8.0 |
2.0.4 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | modoboa 2.0.4 - Admin TakeOver | 2023-04-06 |
| Nuclei | modoboa 2.0.4 - Admin TakeOver |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, Exploit-DB, GitHub Advisories, Nuclei, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-0777 is a high vulnerability (CVSS 8.6) in Modoboa, published February 10, 2023. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 15.2%, the 96th percentile. Fixed in modoboa 2.0.4.
References
huntr.dev/bounties/a17e7a9f-0fee-4130-a522-5a0466fc17c7
github.com/modoboa/modoboa/commit/47d17ac6643f870719691073956a26e4be0a4806
packetstormsecurity.com/files/171744/modoboa-2.0.4-Admin-Takeover.html
nvd.nist.gov/vuln/detail/CVE-2023-0777
Left out here: 57 versions. The JSON record has them.