An issue was discovered in tls_verify_crl in ProFTPD before 1.3.6
Published Nov 26, 2019
7.5
HIGHCVSS 3.1
EPSS 1.12%
Description
An issue was discovered in tls_verify_crl in ProFTPD before 1.3.6. A wrong iteration variable, used when checking a client certificate against CRL entries (installed by a system administrator), can cause some CRL entries to be ignored, and can allow clients whose certificates have been revoked to proceed with a connection to the server.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:P/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
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.12% (0.01122) | 64.98th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.12% (0.01122) | 61.85th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.63% (0.00626) | 67.75th | v4 (v2025.03.14) |
| Mar 29, 2025 | 27.70% (0.27704) | 94.33th | v4 (v2025.03.14) |
| Mar 24, 2025 | 0.63% (0.00626) | 67.77th | v4 (v2025.03.14) |
| Mar 23, 2025 | 5.59% (0.05589) | 88.55th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.08% (0.00084) | 36.22th | v3 (v2023.03.01) |
| Jun 21, 2024 | 0.08% (0.00084) | 35.96th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.08% (0.00084) | 33.94th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.50% (0.04499) | 74.08th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.84% (0.01840) | 47.83th | v1 |
| Jan 6, 2022 | 1.84% (0.01840) | 47.32th | v1 |
| Jan 5, 2022 | 0.42% (0.00416) | 26.65th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.42% (0.00416) | 0.00th | v1 |
References (1)
- https://github.com/proftpd/proftpd/issues/860 x_refsource_MISCPatchThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/proftpd/proftpd/issues/860 | x_refsource_MISCPatchThird Party Advisory |
Change history (0)
No recorded changes yet.