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.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 42.1%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
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.
- CVSS 2.0
- 7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 42.14% probability · 99th percentile
- Public exploits
- 2 in Exploit-DB · verified · first 25 July 2001
- CISA KEV
- Not listed
- Affected
- progress/ws ftp server
- Source
- cve@mitre.org
EPSS 42.1% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (2)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://archives.neohapsis.com/archives/bugtraq/2001-07/0610.htmlExploit, Patch, Vendor Advisory
- http://www.ipswitch.com/Support/WS_FTP-Server/patch-upgrades.htmlPatch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/6911
- http://archives.neohapsis.com/archives/bugtraq/2001-07/0610.htmlExploit, Patch, Vendor Advisory
- http://www.ipswitch.com/Support/WS_FTP-Server/patch-upgrades.htmlPatch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/6911
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.