CVE-2023-51713
HIGHCVSS 7.5/10EPSS 4.25%
Last modified
CVE-2023-51713 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. make_ftp_cmd in main.c in ProFTPD before 1.3.8a has a one-byte out-of-bounds read, and daemon crash, because of mishandling of quote/backslash semantics.. EPSS estimates a 4.25% chance of exploitation in the next 30 days.
Description
make_ftp_cmd in main.c in ProFTPD before 1.3.8a has a one-byte out-of-bounds read, and daemon crash, because of mishandling of quote/backslash semantics.
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 |
|---|---|---|
| Proftpd | Proftpd | < 1.3.8a |
References
- https://github.com/proftpd/proftpd/blob/1.3.8/NEWSRelease Notes
- https://github.com/proftpd/proftpd/issues/1683Exploit, Issue Tracking, Patch, Vendor Advisory
- https://github.com/proftpd/proftpd/issues/1683#issuecomment-1712887554Exploit, Issue Tracking, Patch, Vendor Advisory
- https://github.com/proftpd/proftpd/blob/1.3.8/NEWSRelease Notes
- https://github.com/proftpd/proftpd/issues/1683Exploit, Issue Tracking, Patch, Vendor Advisory
- https://github.com/proftpd/proftpd/issues/1683#issuecomment-1712887554Exploit, Issue Tracking, Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-51713?
make_ftp_cmd in main.c in ProFTPD before 1.3.8a has a one-byte out-of-bounds read, and daemon crash, because of mishandling of quote/backslash semantics.
How severe is CVE-2023-51713?
CVE-2023-51713 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 4.25% probability of exploitation in the next 30 days.
How do I fix CVE-2023-51713?
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-2023-51713?
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