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Vulnerability Intelligence

CVE-2017-6465

CriticalPublic exploit

Remote 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
ProductAffected versionsFixed in
Ftpshell ClientFtpshell6.53n/a

Timeline

  1. Publicly disclosed

    Mar 9, 2017

  2. Last updated

    May 12, 2026

Weakness Type

  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

FAQ

Common Questions.

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