CVE-2019-18217
HIGHCVSS 7.5/10EPSS 19.51%
Last modified
CVE-2019-18217 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 19.51% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Proftpd | Proftpd | <= 1.3.5 | — |
| Proftpd | Proftpd | 1.3.6 | — |
| Proftpd | Proftpd | 1.3.7 | Rc1 |
References
- https://github.com/proftpd/proftpd/blob/1.3.6/NEWSRelease Notes, Third Party Advisory
- https://github.com/proftpd/proftpd/blob/1.3.6/RELEASE_NOTESRelease Notes, Third Party Advisory
- https://github.com/proftpd/proftpd/blob/master/NEWSRelease Notes, Third Party Advisory
- https://github.com/proftpd/proftpd/blob/master/RELEASE_NOTESRelease Notes, Third Party Advisory
- https://github.com/proftpd/proftpd/issues/846Exploit, Issue Tracking, Third Party Advisory
- https://github.com/proftpd/proftpd/blob/1.3.6/NEWSRelease Notes, Third Party Advisory
- https://github.com/proftpd/proftpd/blob/1.3.6/RELEASE_NOTESRelease Notes, Third Party Advisory
- https://github.com/proftpd/proftpd/blob/master/NEWSRelease Notes, Third Party Advisory
- https://github.com/proftpd/proftpd/blob/master/RELEASE_NOTESRelease Notes, Third Party Advisory
- https://github.com/proftpd/proftpd/issues/846Exploit, Issue Tracking, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-18217?
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.
How severe is CVE-2019-18217?
CVE-2019-18217 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 19.51% probability of exploitation in the next 30 days.
How do I fix CVE-2019-18217?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2019-18217?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST