All vulnerabilities

Servers and applications

CVE-2001-1021

Buffer overflows in WS_FTP 2.02 allow remote attackers to execute arbitrary code via long arguments to (1) DELE, (2) MDTM, (3) MLST, (4) MKD, (5) RMD, (6) RNFR, (7) RNTO, (8) SIZE, (9) STAT, (10) XMKD, or (11) XRMD.

Severity
High 7.5
Published
26 Jul 2001
Last changed
16 Jun 2026
Added to UpHeron
3 Nov 2026
Exploit chance
42% in the next 30 daysHigher than 98% of CVEs. EPSS by FIRST, 12 Nov 2026
Attack
Over the network · No login needed
Attacker can
Read some data · Change some data · Slow it down
CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Sources
NVD

Affected software

SoftwareAffected versions
WS_FTP ServerServers and applications · cpe:a:progress:ws_ftp_server
  • Version 2.0.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2001-1021
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2001-1021