The mod_tls module in ProFTPD before 1.3.5b and 1.3.6 before 1.3.6rc2 does not properly handle the TLSDHParamFile directive, which might cause a weaker than intended Diffie-Hellman (DH) key to be used and consequently allow attackers to have unspecified impact via unknown vectors
Published Apr 5, 2016
7.5
HIGHCVSS 3.0
EPSS 6.98%
Description
The mod_tls module in ProFTPD before 1.3.5b and 1.3.6 before 1.3.6rc2 does not properly handle the TLSDHParamFile directive, which might cause a weaker than intended Diffie-Hellman (DH) key to be used and consequently allow attackers to have unspecified impact via unknown vectors.
Affected products
No data.
Configuration 3
- 22
- 23
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
AV:N/AC:L/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 6.98% (0.06979) | 93.94th | v5 (v2026.06.15) |
| Jun 15, 2026 | 6.98% (0.06979) | 93.29th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.80% (0.00800) | 72.37th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.57% (0.00569) | 78.58th | v3 (v2023.03.01) |
| Feb 14, 2024 | 0.57% (0.00569) | 77.19th | v3 (v2023.03.01) |
| Sep 16, 2023 | 0.57% (0.00569) | 75.19th | v3 (v2023.03.01) |
| May 29, 2023 | 0.40% (0.00405) | 69.96th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.36% (0.00359) | 67.75th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.54% (0.01537) | 74.52th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.54% (0.01537) | 74.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.54% (0.01537) | 72.41th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.54% (0.01537) | 51.33th | v2 (v2022.01.01) |
References (10)
- http://bugs.proftpd.org/show_bug.cgi?id=4230 x_refsource_CONFIRMIssue Tracking
- http://lists.fedoraproject.org/pipermail/package-announce/2016-March/179109.html vendor-advisoryx_refsource_FEDORAThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-March/179143.html vendor-advisoryx_refsource_FEDORAThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-March/179905.html vendor-advisoryx_refsource_FEDORA
- http://lists.opensuse.org/opensuse-updates/2016-05/msg00080.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-updates/2016-06/msg00045.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- http://proftpd.org/docs/NEWS-1.3.5b x_refsource_CONFIRMRelease Notes
- http://proftpd.org/docs/NEWS-1.3.6rc2 x_refsource_CONFIRMRelease Notes
- http://www.openwall.com/lists/oss-security/2016/03/11/14 mailing-listx_refsource_MLISTMailing List
- http://www.openwall.com/lists/oss-security/2016/03/11/3 mailing-listx_refsource_MLISTMailing List
Change history (0)
No recorded changes yet.