HIGH
ProFTPD before 1.3.6b and 1.3.7rc before 1.3.7rc2 allows remote unauthenticated denial-of-service due to incorrect handling of overly long commands because main.c in a child process enters an infinite loop
Published Oct 21, 2019
7.5
HIGHCVSS 3.1
EPSS 20.25%
Description
ProFTPD before 1.3.6b and 1.3.7rc before 1.3.7rc2 allows remote unauthenticated denial-of-service due to incorrect handling of overly long commands because main.c in a child process enters an infinite loop.
Affected products
No data.
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.
7.5 HIGH NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
No CVSS v3.0 score for this CVE.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
20.25% 0.20250
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.20250
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (26 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 20.25% (0.20250) | 97.40th | v5 (v2026.06.15) |
| Jun 15, 2026 | 19.51% (0.19507) | 97.02th | v5 (v2026.06.15) |
| Mar 5, 2026 | 3.31% (0.03313) | 87.04th | v4 (v2025.03.14) |
| Dec 28, 2025 | 4.69% (0.04693) | 89.00th | v4 (v2025.03.14) |
| Dec 27, 2025 | 2.67% (0.02670) | 85.43th | v4 (v2025.03.14) |
| Oct 28, 2025 | 3.99% (0.03991) | 87.90th | v4 (v2025.03.14) |
| Oct 27, 2025 | 2.60% (0.02603) | 85.11th | v4 (v2025.03.14) |
| Oct 1, 2025 | 5.46% (0.05457) | 89.81th | v4 (v2025.03.14) |
| Jul 30, 2025 | 2.64% (0.02639) | 85.14th | v4 (v2025.03.14) |
| Jun 14, 2025 | 5.46% (0.05457) | 89.67th | v4 (v2025.03.14) |
| Mar 30, 2025 | 7.09% (0.07090) | 90.65th | v4 (v2025.03.14) |
| Mar 29, 2025 | 10.76% (0.10765) | 88.85th | v4 (v2025.03.14) |
| Mar 17, 2025 | 7.09% (0.07090) | 90.86th | v4 (v2025.03.14) |
| Dec 17, 2024 | 91.25% (0.91254) | 99.13th | v3 (v2023.03.01) |
| Dec 12, 2024 | 94.98% (0.94981) | 99.39th | v3 (v2023.03.01) |
| Feb 14, 2024 | 94.56% (0.94556) | 99.15th | v3 (v2023.03.01) |
| Sep 10, 2023 | 94.58% (0.94583) | 98.93th | v3 (v2023.03.01) |
| Mar 9, 2023 | 93.91% (0.93905) | 98.59th | v3 (v2023.03.01) |
| Mar 7, 2023 | 94.23% (0.94228) | 98.64th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.69% (0.02686) | 82.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.69% (0.02686) | 81.17th | v2 (v2022.01.01) |
| Feb 4, 2022 | 23.44% (0.23437) | 94.77th | v2 (v2022.01.01) |
| Feb 3, 2022 | 12.48% (0.12481) | 88.86th | v1 |
| Jan 6, 2022 | 12.48% (0.12481) | 88.73th | v1 |
| Sep 1, 2021 | 3.08% (0.03080) | 81.27th | v1 |
| Apr 14, 2021 | 3.08% (0.03080) | 0.00th | v1 |
Weaknesses (1)
References (14)
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00009.html vendor-advisoryx_refsource_SUSE
- https://cert-portal.siemens.com/productcert/pdf/ssa-940889.pdf x_refsource_CONFIRM
- https://github.com/proftpd/proftpd/blob/1.3.6/NEWS x_refsource_MISCRelease NotesThird Party Advisory
- https://github.com/proftpd/proftpd/blob/1.3.6/RELEASE_NOTES x_refsource_MISCRelease NotesThird Party Advisory
- https://github.com/proftpd/proftpd/blob/master/NEWS x_refsource_MISCRelease NotesThird Party Advisory
- https://github.com/proftpd/proftpd/blob/master/RELEASE_NOTES x_refsource_MISCRelease NotesThird Party Advisory
- https://github.com/proftpd/proftpd/issues/846 x_refsource_MISCExploitIssue TrackingThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/10/msg00036.html mailing-listx_refsource_MLIST
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NJDQRVZTILBX4BUCTIRKP2WBHDHDCJR5/ vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RB2FPAWDWXT5ALAFIC5Y3RSEMXSFL6H2/ vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YLRPYEEMQJVAXO2SXRGOQ4HBFEEPCNXG/ vendor-advisoryx_refsource_FEDORA
- https://seclists.org/bugtraq/2019/Nov/7 mailing-listx_refsource_BUGTRAQ
- https://security.gentoo.org/glsa/202003-35 vendor-advisoryx_refsource_GENTOO
- https://www.debian.org/security/2019/dsa-4559 vendor-advisoryx_refsource_DEBIAN
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Oct 21, 2019
Updated Aug 5, 2024
Reserved Oct 21, 2019
Link CVE-2019-18217
CISA Vulnrichment
Updated n/a