CVE-2017-6465
CriticalPublic exploitRemote Code Execution was discovered in FTPShell Client 6.53.
Published Mar 9, 2017 · Updated May 12, 2026
Key Facts
Patch immediately- CVE-2017-6465 is a critical-severity vulnerability (CVSS 9.8 v3) affecting Ftpshell Client.
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 50% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v3
9.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
50%
Higher than 98.8% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
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Description
Remote Code Execution was discovered in FTPShell Client 6.53. By default, the client sends a PWD command to the FTP server it is connecting to; however, it doesn't check the response's length, leading to a buffer overflow situation.
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Ftpshell ClientFtpshell | 6.53 | n/a |
Timeline
Publicly disclosed
Mar 9, 2017
Last updated
May 12, 2026
Weakness Type
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
- advisory96570
- exploithttp://packetstormsecurity.com/files/141456/FTPShell-Client-6.53-Buffer-Overflow.html
- exploitMSF ftpshell51_pwd_reply.rb
- exploitExploitDB-41511
- exploit41511
FAQ
Common Questions.
Remote Code Execution was discovered in FTPShell Client 6.53.
Affected: Ftpshell Client versions 6.53. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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