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CVE-2011-1575

Published: May 23, 2011Updated: Apr 29, 2026 Sources: CVE List NVDCWE-399
5.8CVSSMEDIUM

Description

The STARTTLS implementation in ftp_parser.c in Pure-FTPd before 1.0.30 does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted FTP sessions by sending a cleartext command that is processed after TLS is in place, related to a "plaintext command injection" attack, a similar issue to CVE-2011-0411.

CVSS Vector Breakdown

AV:NAC:MAu:NC:PI:PA:N
Exploitability
AV:NAccess Vector
Network
AC:MAccess Complexity
Medium
Au:NAuthentication
None
Impact
C:PConfidentiality
Partial
I:PIntegrity
Partial
A:NAvailability
None

Weaknesses

Affected Products

pureftpdoss-projectCommunicationsaka pure-ftpd, pureftpd

Exploitability

Official Patch Available

References

and 11 more references View all →

Timeline

Published
May 23, 2011
Last Updated
Apr 29, 2026

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