CVE-2001-1021 in the critical feed json
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) MK…
published 2001-07-26 25 y ago modified 2026-06-16 4 mo ago also EUVD-2001-1002
- cvss
- 7.5
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 42.1%
- EPSS 42.1% chance of exploitation in 30 days, percentile 98%
- public exploits
- 2
- Exploit-DB
Summary
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.
Patch / fix
Timeline
- First public exploit (EDB-21036)
- Published
Exploit prediction
42.14% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-21036 Ipswitch WS_FTP Server 2.0 - Anonymous Multiple FTP Command Buffer Overflows remote, 2001-07-25
- EDB-1158 Ipswitch WS_FTP Server 5.03 - 'RNFR' Buffer Overflow dos, 2004-11-29
- archives.neohapsis.com http://archives.neohapsis.com/archives/bugtraq/2001-07/0610.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
References
-
ipswitch.com
/Support/WS_FTP-Server/patch-upgrades.html
patch
-
archives.neohapsis.com
/archives/bugtraq/2001-07/0610.html
mailing-list, exploit, patch, vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/6911
vdb-entry
Sources
- CVE List CVE-2001-1021
- NVD CVE-2001-1021
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