CVE-2023-0860
Improper Restriction of Excessive Authentication Attempts in modoboa/modoboa-installer
CVE-2023-0860 is a high vulnerability (CVSS 7.8) in Modoboa Installer, published February 16, 2023. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.66%, the 51st percentile. Fixed in modoboa 2.0.4.
Improper Restriction of Excessive Authentication Attempts in GitHub repository modoboa/modoboa-installer prior to 2.0.4.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
7.8
Improper Restriction of Excessive Authentication Attempts in modoboa/modoboa-installer
Improper Restriction of Excessive Authentication Attempts in GitHub repository modoboa/modoboa-installer prior to 2.0.4.
- Record
CVE-2023-0860- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-307
- Updated
- 2026-11-02
EUVDEUVD-2023-0775
7.8
Improper Restriction of Excessive Authentication Attempts in GitHub repository modoboa/modoboa-installer prior to 2.0.4.
- Record
EUVD-2023-0775- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-q9ww-gjpw-p9g6
7.5
Improper Restriction of Excessive Authentication Attempts in modoboa
Improper Restriction of Excessive Authentication Attempts in GitHub repository modoboa/modoboa-installer prior to 2.0.4.
- Record
GHSA-q9ww-gjpw-p9g6- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-307
- Updated
- 2026-11-02
NVD
7.5
Improper Restriction of Excessive Authentication Attempts in GitHub repository modoboa/modoboa-installer prior to 2.0.4.
- Record
CVE-2023-0860- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-307
- Updated
- 2026-11-02
OSV
7.8
Improper Restriction of Excessive Authentication Attempts in modoboa/modoboa-installer
Improper Restriction of Excessive Authentication Attempts in GitHub repository modoboa/modoboa-installer prior to 2.0.4.
- Record
CVE-2023-0860- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-307
- Updated
- 2026-11-02
OSVGHSA-q9ww-gjpw-p9g6
7.5
Improper Restriction of Excessive Authentication Attempts in modoboa
Improper Restriction of Excessive Authentication Attempts in GitHub repository modoboa/modoboa-installer prior to 2.0.4.
- Record
GHSA-q9ww-gjpw-p9g6- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-307
- Updated
- 2026-11-02
OSVPYSEC-2026-849
7.5
Improper Restriction of Excessive Authentication Attempts in modoboa
Improper Restriction of Excessive Authentication Attempts in GitHub repository modoboa/modoboa-installer prior to 2.0.4.
- Record
PYSEC-2026-849- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
modoboaPyPI |
before 2.0.4 | 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 |
|---|---|---|
| PoC in GitHub | 0xsu3ks/CVE-2023-0860 | 2023-02-16 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-02 | created | CVE List, EUVD, GitHub Advisories, NVD, OSV, PoC in GitHub |
References
huntr.dev/bounties/64f3ab93-1357-4468-8ff4-52bbcec18cca
github.com/modoboa/modoboa-installer/commit/63d92b73f3da6971ae4e13d033d625773ac91085
nvd.nist.gov/vuln/detail/CVE-2023-0860
github.com/advisories/GHSA-q9ww-gjpw-p9g6
github.com/CVEProject/cvelistV5/tree/main/cves/2023/0xxx/CVE-2023-0860.json
github.com/modoboa/modoboa
pypi.org/project/modoboa
Left out here: 12 versions. The JSON record has them.